Gopinath C. Chandrahasan, MD
NPI 1922190677ActiveIndividual· Internal Medicine· San Antonio, TX
Internal Medicine (MD) in San Antonio, Texas, trained at University of North Texas Hsc, College of Osteopathic Med (class of 1992). In 2024 Medicare paid $657,294 for 968 patients, and Part D covered 316 of their prescriptions, 83% of them generic. Pfizer Inc. reported $49.73 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1922190677 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 29, 2006 |
| Last updated in NPPES | May 22, 2024 |
| Certified by provider | May 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | J4032 | TX |
| Hospitalist | 208M00000X | J4032 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 968 |
|---|---|
| Services billed | 8,003 across 14 procedure codes |
| Paid by Medicare | $657,294 |
Part D prescriptions in 2024
| Prescriptions (claims) | 316 · 327 30-day fills |
|---|---|
| Patients | 145 |
| Total drug cost | $26,251 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
Medical groups
- Hospital Medicine Services of Tx, PLLCLive Oak, TX · 378 clinicians
- Apexmed PLLCSan Antonio, TX · 21 clinicians
Hospital affiliations
- Baptist Medical CenterSan Antonio, TX
- Methodist HospitalSan Antonio, TX
Other facilities
- Crest Palliative CareHospice · Shavano Park, TX
- Estates at Shavano ParkNursing home · Shavano Park, TX
Industry payments (Open Payments)
- 2025$49.73 · 2 payments from 1 company
- 2024$25.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $49.73 | 2 |
What the 2025 payments were for
- Food and Beverage$49.73 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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