Kevin J. Kempf, MD
NPI 1003895020ActiveIndividual· Internal Medicine, Rheumatology· San Antonio, TX
Internal Medicine, Rheumatology (MD) in San Antonio, Texas, trained at Baylor College of Medicine (class of 1991). In 2024 Medicare paid $4,673,142 for 907 patients, and Part D covered 1,542 of their prescriptions, 86% of them generic. Amgen Inc. was the largest of 25 companies reporting payments in 2025, $4,219 in all, mostly food and beverage.
Overview
| NPI | 1003895020 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2006 |
| Last updated in NPPES | Jul 29, 2024 |
| Certified by provider | Jul 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | J5373 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 907 |
|---|---|
| Services billed | 325,074 across 86 procedure codes |
| Paid by Medicare | $4,673,142 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,542 · 3,214 30-day fills |
|---|---|
| Patients | 364 |
| Total drug cost | $1,613,864 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Rheumatology |
Medical group
- Rheumatology Associates of South Texas, PLLCSan Antonio, TX · 16 clinicians
Hospital affiliation
- Guadalupe Regional Medical CenterSeguin, TX
Industry payments (Open Payments)
- 2025$4,219 · 166 payments from 25 companies
- 2024$3,744 · 150 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $699.79 | 40 |
| Novartis Pharmaceuticals Corporation | $459.51 | 17 |
| Janssen Biotech, Inc. | $439.82 | 16 |
| Abbvie Inc. | $399.98 | 3 |
| Glaxosmithkline, LLC. | $372.03 | 13 |
What the 2025 payments were for
- Food and Beverage$4,141 · 165 payments
- Education$77.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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