Sriram S. Nathan, M.D.
NPI 1285602607ActiveIndividual· Internal Medicine, Advanced Heart Failure and Transplant Cardiology· Houston, TX
Internal Medicine, Advanced Heart Failure and Transplant Cardiology (M.D.) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $926,803 for 5,321 claims, against $72,897 paid for services in 2024. Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $513.23 in all, mostly food and beverage. Lists De Tar Hospital Navarro and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1285602607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 10, 2006 |
| Last updated in NPPES | Jan 8, 2025 |
| Certified by provider | Jan 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Advanced Heart Failure and Transplant Cardiology Primary | 207RA0001X | N5279 | TX |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | N5279 | 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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 254 |
|---|---|
| Services billed | 1,237 across 33 procedure codes |
| Paid by Medicare | $72,897 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,321 · 12,398 30-day fills |
|---|---|
| Patients | 338 |
| Total drug cost | $926,803 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- De Tar Hospital NavarroVictoria, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Northeast HospitalHumble, TX
Industry payments (Open Payments)
- 2025$513.23 · 11 payments from 5 companies
- 2024$999.70 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $198.37 | 5 |
| Cvrx, Inc. | $141.90 | 2 |
| Abiomed | $105.01 | 1 |
| Novartis Pharmaceuticals Corporation | $43.01 | 2 |
| Analog Devices Inc. | $24.94 | 1 |
What the 2025 payments were for
- Food and Beverage$513.23 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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