Everett Hunter Allen, MD
NPI 1609846641ActiveIndividual· Internal Medicine, Rheumatology· San Antonio, TX
Internal Medicine, Rheumatology (MD) with Rheumatology Associates of South Texas, PLLC, practicing in San Antonio, Texas. In 2024 Medicare paid $2,952,955 for 830 patients, and Part D covered 2,365 of their prescriptions, 87% of them generic. Invivyd Inc was the largest of 22 companies reporting payments in 2025, $6,121 in all, mostly food and beverage. Lists Christus Santa Rosa Hospital-San Marcos and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1609846641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 24, 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 | L1260 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 830 |
|---|---|
| Services billed | 229,136 across 88 procedure codes |
| Paid by Medicare | $2,952,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,365 · 4,112 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $2,222,690 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Rheumatology Associates of South Texas, PLLCSan Antonio, TX · 16 clinicians
Hospital affiliations
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- Methodist HospitalSan Antonio, TX
- Peterson Regional Medical CenterKerrville, TX
Industry payments (Open Payments)
- 2025$6,121 · 168 payments from 22 companies
- 2024$3,643 · 158 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Invivyd Inc | $1,441 | 4 |
| Amgen Inc. | $689.31 | 39 |
| Janssen Biotech, Inc. | $677.55 | 17 |
| Novartis Pharmaceuticals Corporation | $573.10 | 22 |
| Ucb, Inc. | $448.16 | 10 |
What the 2025 payments were for
- Food and Beverage$4,539 · 165 payments
- Consulting Fee$1,383 · 1 payment
- Education$198.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in San Antonio
- 1548695794
- 1083851281
- 1629200027
- 1902905292
- 1679062251
- 1609296664
- 1467670034
- 1609103613
- 1053427658
- 1285670794
- 1336804632
- 1780015719