Stephen Lee Gaines, PA-C
NPI 1821538836ActiveIndividual· Physician Assistant· Columbia, MO
Physician Assistant (PA-C) in Columbia, Missouri, trained at University of Missouri, Kansas City, School of Medicine (class of 2017). 126 Medicare patients in 2024, $13,313 paid; nearly all of their 115 Part D prescriptions were generic (95%). Amgen Inc. was the largest of 2 companies reporting payments in 2025, $159.48 in all, mostly food and beverage.
Overview
| NPI | 1821538836 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 24, 2017 |
| Last updated in NPPES | Sep 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2017024863 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 130 across 15 procedure codes |
| Paid by Medicare | $13,313 |
Part D prescriptions in 2024
| Prescriptions (claims) | 115 · 129 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $3,111 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Physician Assistant |
Medical group
- The Curators of the University of MissouriColumbia, MO · 1,131 clinicians
Hospital affiliation
- University of Missouri Health CareColumbia, MO
Industry payments (Open Payments)
- 2025$159.48 · 2 payments from 2 companies
- 2024$276.81 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $108.50 | 1 |
| Vertex Pharmaceuticals Incorporated | $50.98 | 1 |
What the 2025 payments were for
- Food and Beverage$159.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 181 physician assistants in Columbia · All physician assistants in Missouri