Chelsey Jahn
Contracting Officer Defense Health Agency
- Phone
- Not on record
- Latest SAM.gov record
Contact facts
Notices come from SAM.gov and awards from FPDS, which names the staff who created, approved or last changed an award without saying which.
SAM.gov notices
Contract awards and IDVs
Top vendors
| Rank | Vendor | Awards and IDVs |
|---|---|---|
| 1 | The Mitre Corporation | 1 |
| 2 | Integrated Management Strategies LLC | 1 |
| 3 | Intellect Solutions, LLC | 1 |
| 4 | Leidos, Inc. | 1 |
| 5 | Ellumen, Inc. | 1 |
| 6 | 1ST American Medical Distributors, Inc. | 1 |
| 7 | Shee Atika Enterprises LLC | 1 |
| 8 | Seneca Federal Health LLC | 1 |
| 9 | Advancia Aeronautics, LLC | 1 |
Top NAICS codes
| Rank | NAICS code | SAM.gov records |
|---|---|---|
| 1 | 513210 Software Publishers | 4 |
| 2 | 541611 Administrative Management and General Management Consulting Services | 3 |
| 3 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 3 |
| 4 | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 1 |
| 5 | 541330 Engineering Services | 1 |
| 6 | 541512 Computer Systems Design Services | 1 |
| 7 | 541990 All Other Professional, Scientific, and Technical Services | 1 |
Top PSC codes
| Rank | PSC code | SAM.gov records |
|---|---|---|
| 1 | 7A21 It And Telecom - Business Application Software (Perpetual License Software) | 4 |
| 2 | AN11 Health R&D Services; Health Care Services; Basic Research | 2 |
| 3 | R499 Support- Professional: Other | 2 |
| 4 | 6515 Medical And Surgical Instruments, Equipment, And Supplies | 1 |
| 5 | AN12 Health R&D Services; Health Care Services; Applied Research | 1 |
| 6 | DA01 It And Telecom - Business Application/Application Development Support Services (Labor) | 1 |
| 7 | R408 Support- Professional: Program Management/Support | 1 |
| 8 | R699 Support- Administrative: Other | 1 |
| 9 | R703 Support- Management: Accounting | 1 |
Offices
| Rank | Office | SAM.gov records |
|---|---|---|
| 1 | Defense Health Agency | 12 |
| 2 | Air Mobility Command (USAF) | 1 |
Quick answers
Who is Chelsey Jahn?
Chelsey Jahn is a Contracting Officer at Defense Health Agency (Department of Defense). Point of contact on 5 SAM.gov notices and contracting staff on 9 contract awards, from April 17, 2023 to June 3, 2026.
What agency does Chelsey Jahn work for?
Chelsey Jahn's SAM.gov records name Defense Health Agency (Department of Defense) most, among 2 offices.
How do I contact Chelsey Jahn?
SAM.gov lists Chelsey Jahn's email chelsey.n.jahn.civ@health.mil.
What is the latest SAM.gov notice naming Chelsey Jahn?
Encounter-Based Endoscopy Video Imaging System, pre-solicitation, posted December 1, 2025.
Which vendors has Chelsey Jahn awarded contracts to?
The vendors on the most contract awards and IDVs naming Chelsey Jahn are The Mitre Corporation, Integrated Management Strategies LLC and Intellect Solutions, LLC.
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