John Howell Hamilton, M. D.
NPI 1487034831ActiveIndividual· General Practice· San Antonio, TX
General Practice (M. D.) with Comal Emergency Physicians PLLC, practicing in San Antonio, Texas. 216 Medicare patients in 2024, $25,993 paid; nearly all of their 244 Part D prescriptions were generic (92%). Lists Christus Santa Rosa Hospital-San Marcos and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1487034831 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2015 |
| Last updated in NPPES | Nov 27, 2024 |
| Certified by provider | Nov 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | ME165198 | FL |
| Emergency Medicine | 207P00000X | R4233 | TX |
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 - Emergency Medicine (FL); Practitioner - Emergency Medicine (TN); Practitioner - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 320 across 14 procedure codes |
| Paid by Medicare | $25,993 |
Part D prescriptions in 2024
| Prescriptions (claims) | 244 · 245 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $4,103 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Comal Emergency Physicians PLLCSan Marcos, TX · 91 clinicians
Hospital affiliations
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- Methodist HospitalSan Antonio, TX
- Methodist Hospital AtascosaJourdanton, TX
- Peterson Regional Medical CenterKerrville, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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