Zempel John
Webster Groves, MO
- UEI
- P2NME7QK3HZ9
- CAGE
- 74XT2
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Sole Proprietorship
- SAM.gov registration date
- Physical address
- 1124 Albany Ct, Webster Groves, MO 63119, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $0 |
| FY2025 | $18,750 |
| FY2024 | $25,500 |
| FY2023 | $950 |
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| HSB114 c 6238. Medical expert services vicp. | Headquarters (HRSA) | $18,750 | |
| Medical expert services vicp. | Headquarters (HRSA) | $1,500 | |
| Medical expert services vicp | Headquarters (HRSA) | $7,500 | |
| Medical expert services vicp. | Headquarters (HRSA) | $6,000 | |
| Medical case reviewer vicp, case # 19-1826. | Headquarters (HRSA) | $15,000 |
Latest 5 listed here. See the rest on GovTribe.
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About the company
Zempel John is a self-certified small disadvantaged business structured as a sole proprietorship located in St. Louis, Missouri. The entity is registered in SAM.gov through January 15, 2026 and specializes in providing medical expert services, specifically focused on medical case reviews and expert consultations for the Vaccine Injury Compensation Program (VICP). Operating primarily as an independent medical expert contractor, Zempel John works directly with the Health Resources and Services Administration (HRSA), a component of the Department of Health and Human Services, to support the evaluation and adjudication of vaccine injury claims.
Over the past several years, Zempel John has consistently been awarded federal contract task orders through Blanket Purchase Agreements (BPAs) to provide specialized medical review services. These contracts, typically ranging from $1,500 to $9,000 in value, involve reviewing medical records, case files, and documentation to provide independent expert medical opinions and recommendations regarding vaccine injury compensation claims. Many of these task orders have been designated as total small business set-asides, allowing Zempel John to compete for and win contracts specifically reserved for small businesses. The contract awards have consistently been firm fixed price BPA call orders, with performance locations in St. Louis, Missouri, and completion dates ranging from several months to a year.
Zempel John holds a single Blanket Purchase Agreement with HRSA, awarded on July 15, 2021, with an ultimate completion date of July 14, 2026 and a ceiling value of $249,999. This BPA is structured to procure medical expert and case review services specifically for the Vaccine Injury Compensation Program. The agreement allows for task orders between $1,500 and $9,000, all awarded on a firm fixed price basis. Task orders issued under this BPA have been consistently focused on providing independent medical review and expertise to aid in adjudicating vaccine injury claims, with performance locations centered in St. Louis, Missouri, and supporting HRSA's broader healthcare workforce and community health initiatives.
Quick answers
Is Zempel John registered in SAM.gov?
Yes. Zempel John's SAM.gov registration is active through October 3, 2027.
How much has Zempel John received in federal contracts?
Federal contracts obligated $18,750 to Zempel John in fiscal year 2025 and $45,200 in fiscal years 2023 through 2027.
What is Zempel John's most recent federal award?
Zempel John's most recent federal contract award is HSB114 c 6238. Medical expert services vicp (75R60225F34019), from Headquarters (HRSA), on June 2, 2025.
On GovTribe
See Zempel John's full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
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