Top 100 Contractors in NAICS 6211: Offices of Physicians, FY2021

Name: Top 100 Contractors in NAICS 6211: Offices of Physicians, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 91% of FY2021 NAICS 6211 contract dollars

Contract obligations: $5,484,657,733 Net of deobligations, by contracts coded NAICS 6211 or a code under it
Contractors: 1,035 Parent companies with an obligation
Largest contractor: Triwest Healthcare Alliance Corp $3.06 billion, 54.2% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Triwest Healthcare Alliance Corp Top agencies VA (Department of Veterans Affairs)	$3,060,265,853	54.2%	Rank history: #4 in FY2022, #6 in FY2023, #86 in FY2024 and not on the FY2025 list; unchanged since FY2020.
2	Leidos Holdings, Inc. Through QTC Medical Services Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$871,779,513	15.4%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
3	UnitedHealth Group Incorporated Through Optumserve Health Services, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$602,425,092	10.7%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; up 1 since FY2020.
4	Veterans Evaluation Services, Inc. Top agencies VA (Department of Veterans Affairs)	$297,000,000	5.3%	Rank history: not on the FY2022–FY2023 lists, #3 in FY2024 and not on the FY2025 list; down 1 since FY2020.
5	Maximus Inc. Through Veterans Evaluation Services, Inc. Top agencies VA (Department of Veterans Affairs)	$225,204,497	4.0%	Rank history: #3 in FY2022, #3 in FY2023, #4 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
6	Sterling Medical Corporation 2 awardees, including Sterling Medical Associates, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) VA (Department of Veterans Affairs)	$21,675,356	0.4%	Rank history: #10 in FY2022, #8 in FY2023, #10 in FY2024 and not on the FY2025 list; up 2 since FY2020.
7	The Chenega Corporation 3 awardees, including Chenega Tri-Services, LLC, Chenega Healthcare Services LLC and Chenega Reliable Services LLC Top agencies Army (Department of the Army) Commerce (Department of Commerce) NSF (National Science Foundation)	$20,519,104	0.4%	Rank history: #7 in FY2022, #7 in FY2023, #9 in FY2024 and not on the FY2025 list; down 1 since FY2020.
8	Texas Native Health Top agencies HHS (Department of Health and Human Services)	$16,995,055	0.3%	Rank history: #17 in FY2022, #16 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
9	Indian Health Care Resource Center of Tulsa, Inc. Top agencies HHS (Department of Health and Human Services)	$16,850,168	0.3%	Rank history: #12 in FY2022, #15 in FY2023, #25 in FY2024 and #17 in FY2025; up 1 since FY2020.
10	Spectrum Healthcare Resources Incorporated Top agencies HHS (Department of Health and Human Services)	$15,223,361	0.3%	Rank history: #14 in FY2022 and not on the FY2023–FY2025 lists; down 3 since FY2020.
11	San Diego American Indian Health Center Top agencies HHS (Department of Health and Human Services)	$13,195,490	0.2%	Rank history: #66 in FY2022, #40 in FY2023, #54 in FY2024 and not on the FY2025 list; up 10 since FY2020.
12	Centene Corporation Through Health Net Federal Services, LLC Top agencies VA (Department of Veterans Affairs)	$10,953,263	0.2%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
13	Sacramento Native American Health Center Inc. Top agencies HHS (Department of Health and Human Services)	$9,665,014	0.2%	Rank history: #69 in FY2022, #41 in FY2023, #57 in FY2024 and #62 in FY2025; new, not ranked in FY2020.
14	Native American Health Center, Inc. Top agencies HHS (Department of Health and Human Services)	$9,213,440	0.2%	Rank history: #55 in FY2022, #37 in FY2023, #46 in FY2024 and #51 in FY2025; new, not ranked in FY2020.
15	Central Oklahoma American Indian Health Council, Inc. Top agencies HHS (Department of Health and Human Services)	$8,252,503	0.1%	Rank history: #9 in FY2022, #13 in FY2023, #23 in FY2024 and not on the FY2025 list; down 6 since FY2020.
16	Eagle Global Scientific, LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$7,695,103	0.1%	Rank history: #15 in FY2022 and not on the FY2023–FY2025 lists; up 32 since FY2020.
17	Avosys Technology, Inc. Top agencies USAF (Department of the Air Force)	$6,950,515	0.1%	Rank history: #20 in FY2022, #27 in FY2023, #20 in FY2024 and #18 in FY2025; down 3 since FY2020.
18	Total Emergency Ambulatory Medicine LLP Top agencies VA (Department of Veterans Affairs)	$6,453,463	0.1%	Rank history: #25 in FY2022, #45 in FY2023, #64 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
19	University of Minnesota Physicians Top agencies VA (Department of Veterans Affairs)	$5,886,911	0.1%	Rank history: #72 in FY2022, #77 in FY2023, not on the FY2024 list and #75 in FY2025; up 10 since FY2020.
20	Dilligas Corp Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$5,864,576	0.1%	Rank history: #27 in FY2022, #78 in FY2023 and not on the FY2024–FY2025 lists; up 39 since FY2020.
21	Oklahoma State University 2 awardees, including Oklahoma State University Medical Trust Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$5,413,254	0.1%	Rank history: #26 in FY2022, #24 in FY2023, #100 in FY2024 and not on the FY2025 list; up 33 since FY2020.
22	Indian Health Board of Minneapolis, Inc. Top agencies HHS (Department of Health and Human Services)	$5,260,955	0.1%	Rank history: not on the FY2022–FY2025 lists; up 12 since FY2020.
23	Southwest Retina Consultants Pa Top agencies VA (Department of Veterans Affairs)	$4,949,065	0.1%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
24	Locumtenens.com, LLC Top agencies VA (Department of Veterans Affairs)	$4,945,710	0.1%	Rank history: not on the FY2022–FY2023 lists, #91 in FY2024 and not on the FY2025 list; up 282 since FY2020.
25	Ansible Government Solutions LLC Top agencies VA (Department of Veterans Affairs)	$4,891,332	0.1%	Rank history: #19 in FY2022, #20 in FY2023, #49 in FY2024 and #38 in FY2025; down 9 since FY2020.
26	Innovative Information Solutions LLC Top agencies Army (Department of the Army)	$4,587,705	0.1%	Rank history: #41 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
27	AB Staffing Solutions LLC Top agencies HHS (Department of Health and Human Services)	$4,478,383	0.1%	Rank history: #23 in FY2022, #26 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
28	University System of Maryland 2 awardees, including University of Maryland Diagnostic Imaging Specialists, P. A. and University of Maryland Neurology Associates Pa Top agencies VA (Department of Veterans Affairs)	$4,441,010	0.1%	Rank history: #50 in FY2022, #73 in FY2023, #50 in FY2024 and not on the FY2025 list; up 16 since FY2020.
29	Medicus Healthcare Solutions, LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$3,751,521	0.1%	Rank history: #16 in FY2022, #11 in FY2023, #19 in FY2024 and #15 in FY2025; down 9 since FY2020.
30	Hunter Health Clinic Inc. Top agencies HHS (Department of Health and Human Services)	$3,638,943	0.1%	Rank history: #11 in FY2022, #39 in FY2023, not on the FY2024 list and #60 in FY2025; down 12 since FY2020.
31	Sequoyah Staffing Agency, LLC Top agencies HHS (Department of Health and Human Services)	$3,564,684	0.1%	Rank history: #74 in FY2022, #18 in FY2023, #17 in FY2024 and #20 in FY2025; new, not ranked in FY2020.
32	Team Health Inc. Through Spectrum Healthcare Resources, Inc. Top agencies VA (Department of Veterans Affairs)	$3,540,648	0.1%	Rank history: not on the FY2022 list, #32 in FY2023, #26 in FY2024 and not on the FY2025 list; down 20 since FY2020.
33	CHS Middle East LLC Through Acuity-Chs, LLC Top agencies DHRA (Defense Human Resources Activity) Treasury (Department of the Treasury) WHS (DOD Washington Headquarters Service)	$3,442,764	0.1%	Rank history: #31 in FY2022, #25 in FY2023, #79 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
34	Wellpath LLC Top agencies DOJ (Department of Justice)	$3,248,100	0.1%	Rank history: #29 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
35	Medical Faculty Associates, Inc. Top agencies DHA (Defense Health Agency) DOS (Department of State)	$3,200,844	0.1%	Rank history: #39 in FY2022, #30 in FY2023, #40 in FY2024 and #80 in FY2025; down 10 since FY2020.
36	Pinnacle Emergency Medical Group, PLLC Top agencies HHS (Department of Health and Human Services)	$2,635,473	<0.1%	Rank history: #34 in FY2022, #80 in FY2023 and not on the FY2024–FY2025 lists; up 6 since FY2020.
37	Inrad, LLC Top agencies HHS (Department of Health and Human Services)	$2,590,489	<0.1%	Rank history: #35 in FY2022, #60 in FY2023 and not on the FY2024–FY2025 lists; up 106 since FY2020.
38	TDY Medical Staffing Inc. Top agencies VA (Department of Veterans Affairs)	$2,487,944	<0.1%	Rank history: not on the FY2022 list, #52 in FY2023, #72 in FY2024 and #63 in FY2025; up 8 since FY2020.
39	Ghost RX Inc. Top agencies VA (Department of Veterans Affairs)	$2,449,594	<0.1%	Rank history: #46 in FY2022, #12 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
40	Vetmed Group LLC Top agencies VA (Department of Veterans Affairs)	$2,378,866	<0.1%	Rank history: #33 in FY2022, #17 in FY2023, #15 in FY2024 and #13 in FY2025; up 10 since FY2020.
41	Avera Health 2 awardees, including Avera Mckennan and Wagner Community Memorial Hospital Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$2,363,720	<0.1%	Rank history: #64 in FY2022, #54 in FY2023 and not on the FY2024–FY2025 lists; up 78 since FY2020.
42	Annashae Corp Top agencies VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$2,363,516	<0.1%	Rank history: #58 in FY2022, #88 in FY2023 and not on the FY2024–FY2025 lists; up 51 since FY2020.
43	American Indian Health and Family Services of Southeastern MI, Inc. Top agencies HHS (Department of Health and Human Services)	$2,323,770	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 19 since FY2020.
44	Native Health Top agencies HHS (Department of Health and Human Services)	$2,274,166	<0.1%	Rank history: #6 in FY2022, #33 in FY2023, #38 in FY2024 and #35 in FY2025; down 33 since FY2020.
45	EGA Associates, LLC Top agencies VA (Department of Veterans Affairs)	$2,248,297	<0.1%	Rank history: #45 in FY2022 and not on the FY2023–FY2025 lists; down 8 since FY2020.
46	American Healthcare Services JV LLC Top agencies Army (Department of the Army)	$2,223,275	<0.1%	Rank history: #38 in FY2022, #34 in FY2023, #41 in FY2024 and #36 in FY2025; new, not ranked in FY2020.
47	Nationwide Healthcare Solutions, LLC Top agencies Army (Department of the Army)	$2,215,050	<0.1%	Rank history: #49 in FY2022, #28 in FY2023, #47 in FY2024 and #45 in FY2025; new, not ranked in FY2020.
48	Keith Van Meter & Associates (A Professional Medical Corporation) Top agencies VA (Department of Veterans Affairs)	$2,207,583	<0.1%	Rank history: #60 in FY2022 and not on the FY2023–FY2025 lists; up 1 since FY2020.
49	Tribal TECH LLC Top agencies DOI (Department of the Interior)	$2,133,842	<0.1%	Rank history: #75 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2020.
50	Frontline National LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) USDA (Department of Agriculture)	$2,113,298	<0.1%	Rank history: #63 in FY2022, not on the FY2023 list, #87 in FY2024 and #78 in FY2025; up 42 since FY2020.
51	Vesa Health & Technology Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$2,075,619	<0.1%	Rank history: not on the FY2022–FY2024 lists and #25 in FY2025; down 19 since FY2020.
52	Market Services, Inc. Top agencies HHS (Department of Health and Human Services)	$2,060,230	<0.1%	Rank history: #37 in FY2022, #49 in FY2023, #85 in FY2024 and not on the FY2025 list; down 5 since FY2020.
53	Sanford Clinic Top agencies VA (Department of Veterans Affairs)	$1,733,595	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 12 since FY2020.
54	Compass Medical Provider LLC Top agencies Army (Department of the Army)	$1,725,986	<0.1%	Rank history: #76 in FY2022, #66 in FY2023, #76 in FY2024 and not on the FY2025 list; up 20 since FY2020.
55	Minneapolis Radiology Associates, Ltd. Top agencies VA (Department of Veterans Affairs)	$1,662,348	<0.1%	Rank history: #62 in FY2022, #57 in FY2023, #48 in FY2024 and #56 in FY2025; up 6 since FY2020.
56	Medstar Health, Inc. Through Radamerica II, LLC Top agencies VA (Department of Veterans Affairs)	$1,573,600	<0.1%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
57	Cherokee Nation Mission Solutions, L.L.C. Top agencies Army (Department of the Army)	$1,546,345	<0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; down 22 since FY2020.
58	Metropolitan Medical LLC Top agencies USDA (Department of Agriculture)	$1,518,266	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Gerald L Ignace Indian Health Center Inc. Top agencies HHS (Department of Health and Human Services)	$1,507,097	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
60	Katmai Integrated Solutions, LLC Top agencies Army (Department of the Army)	$1,500,336	<0.1%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; down 30 since FY2020.
61	Millbrook Support Services Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$1,455,830	<0.1%	Rank history: #18 in FY2022, #63 in FY2023, not on the FY2024 list and #70 in FY2025; up 26 since FY2020.
62	Hanford Occupational Healthcare and Wellness Inc. Top agencies DOE (Department of Energy)	$1,447,716	<0.1%	Rank history: #86 in FY2022 and not on the FY2023–FY2025 lists; up 72 since FY2020.
63	Xrad Tele-Services Inc. Top agencies DHA (Defense Health Agency)	$1,442,707	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
64	State of California Controllers Office Through The Regents of the University of California. San Francisco Top agencies HHS (Department of Health and Human Services)	$1,417,916	<0.1%	Rank history: #40 in FY2022, #61 in FY2023 and not on the FY2024–FY2025 lists; down 24 since FY2020.
65	Sentrillion Corporation Through Altos Federal Group Inc. Top agencies CSOSA (Court Services and Offender Supervision Agency)	$1,360,320	<0.1%	Rank history: #57 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
66	Jade Wolf Operations, LLC Top agencies VA (Department of Veterans Affairs)	$1,358,512	<0.1%	Rank history: #68 in FY2022, #14 in FY2023, #32 in FY2024 and #29 in FY2025; new, not ranked in FY2020.
67	MCV Associated Physicians Top agencies VA (Department of Veterans Affairs)	$1,349,378	<0.1%	Rank history: #70 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
68	U.s. Federal Solutions, Inc. Top agencies DHA (Defense Health Agency)	$1,345,576	<0.1%	Rank history: #56 in FY2022, #43 in FY2023, #53 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
69	Ibex It Business Experts LLC Top agencies DHA (Defense Health Agency)	$1,336,368	<0.1%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
70	Comprehensive Occupational Medical Services, P.C. Top agencies DOI (Department of the Interior) VA (Department of Veterans Affairs) Army (Department of the Army)	$1,316,527	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 39 since FY2020.
71	American Indian Health Service of Chicago Top agencies HHS (Department of Health and Human Services)	$1,245,101	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
72	Physicians Laboratory, P.C. Top agencies VA (Department of Veterans Affairs)	$1,209,415	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
73	Call Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$1,196,600	<0.1%	Rank history: #59 in FY2022, #58 in FY2023, #89 in FY2024 and #50 in FY2025; up 18 since FY2020.
74	Prosperitus Solutions LLC Top agencies Army (Department of the Army)	$1,153,208	<0.1%	Rank history: #82 in FY2022 and not on the FY2023–FY2025 lists; down 16 since FY2020.
75	Clinovators LLC Top agencies VA (Department of Veterans Affairs)	$1,148,811	<0.1%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
76	Giacare Inc. Top agencies Army (Department of the Army)	$1,137,331	<0.1%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; up 13 since FY2020.
77	MPF Federal, LLC Top agencies Army (Department of the Army)	$1,109,692	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
78	Johnson Venture Management Solutions, Inc. Top agencies Army (Department of the Army)	$1,085,536	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 13 since FY2020.
79	Assurgent Medical Staffing LLC Top agencies VA (Department of Veterans Affairs)	$1,080,380	<0.1%	Rank history: #98 in FY2022, #29 in FY2023, #39 in FY2024 and #39 in FY2025; up 35 since FY2020.
80	University of Utah Top agencies HHS (Department of Health and Human Services)	$1,074,970	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 106 since FY2020.
81	Vision Technology Inc. Top agencies Army (Department of the Army)	$1,055,932	<0.1%	Rank history: #44 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; down 38 since FY2020.
82	White Stone Spectrum Healthcare Resources LLC Top agencies VA (Department of Veterans Affairs)	$1,036,918	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	National Security Psychological Services LLC Top agencies DOE (Department of Energy)	$1,025,000	<0.1%	Rank history: #51 in FY2022, #51 in FY2023, #35 in FY2024 and #46 in FY2025; up 76 since FY2020.
84	Idaho Gastroenterology Associates, LLP Top agencies VA (Department of Veterans Affairs)	$1,020,043	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 15 since FY2020.
85	Locum Inc. Top agencies SSA (Social Security Administration)	$1,013,542	<0.1%	Rank history: #96 in FY2022, not on the FY2023–FY2024 lists and #100 in FY2025; unchanged since FY2020.
86	Urban Indian Center of Salt Lake Top agencies HHS (Department of Health and Human Services)	$1,005,978	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 58 since FY2020.
87	Wichita Radiological Group Pa Top agencies VA (Department of Veterans Affairs)	$996,535	<0.1%	Rank history: #89 in FY2022, #75 in FY2023, #71 in FY2024 and #74 in FY2025; new, not ranked in FY2020.
88	Circulatory Services Inc. Top agencies VA (Department of Veterans Affairs)	$981,511	<0.1%	Rank history: #95 in FY2022, #76 in FY2023, not on the FY2024 list and #79 in FY2025; up 2 since FY2020.
89	Vetstaff LLC Top agencies HHS (Department of Health and Human Services)	$960,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Mark Berkowitz, Psy.d Top agencies SSA (Social Security Administration)	$955,404	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 49 since FY2020.
91	Shelin, Agrawal, and Hyer, PLLC Top agencies USAF (Department of the Air Force)	$943,263	<0.1%	Rank history: #93 in FY2022, #70 in FY2023, #81 in FY2024 and #81 in FY2025; up 5 since FY2020.
92	Health Carousel, LLC Through Next Medical Staffing LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$943,214	<0.1%	Rank history: not on the FY2022 list, #81 in FY2023, #75 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
93	The Ohio State University Through OSU Eye Physicians and Surgeons, LLC Top agencies VA (Department of Veterans Affairs)	$916,389	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 33 since FY2020.
94	Tech62 Inc. Top agencies VA (Department of Veterans Affairs)	$915,553	<0.1%	Rank history: not on the FY2022 list, #68 in FY2023, #65 in FY2024 and #72 in FY2025; new, not ranked in FY2020.
95	Atims, LLC Top agencies VA (Department of Veterans Affairs)	$907,638	<0.1%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
96	Vergence LLC Top agencies Army (Department of the Army)	$896,107	<0.1%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; down 15 since FY2020.
97	Sechriest, Vernon F Top agencies VA (Department of Veterans Affairs)	$893,728	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 2 since FY2020.
98	Wellmont Cardiology Services Top agencies VA (Department of Veterans Affairs)	$890,950	<0.1%	Rank history: not on the FY2022 list, #91 in FY2023, #80 in FY2024 and #88 in FY2025; down 25 since FY2020.
99	Rividium Inc. Top agencies DHA (Defense Health Agency)	$885,570	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 46 since FY2020.
100	America's Medical Staffing LLC Top agencies VA (Department of Veterans Affairs)	$861,240	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 1,035 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 6211

Code	Net obligations	Largest contractor
62111 Offices of Physicians	$5,484,657,733	Triwest Healthcare Alliance Corp

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $5.65 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2021 ran Oct 1, 2020 – Sep 30, 2021. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2020. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2020 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 6211 contractors in FY2021?

1. Triwest Healthcare Alliance Corp ($3.06B), 2. Leidos Holdings, Inc. ($872M), 3. UnitedHealth Group Incorporated ($602M), 4. Veterans Evaluation Services, Inc. ($297M), 5. Maximus Inc. ($225M), 6. Sterling Medical Corporation ($21.7M), 7. The Chenega Corporation ($20.5M), 8. Texas Native Health ($17M), 9. Indian Health Care Resource Center of Tulsa, Inc. ($16.9M), 10. Spectrum Healthcare Resources Incorporated ($15.2M).

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