Hemal M. Nayak, MD
Internal Medicine, Clinical Cardiac Electrophysiology (MD) with University of Texas Health Science Center at San Antonio and 1 other group, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $225,197 for 563 claims, against $73,466 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 13 companies reporting payments in 2025, $18,942 in all, mostly speaking and faculty fees. Lists Methodist Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1306892765 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Jan 23, 2023 |
| Certified by provider | Jan 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | U1096 | TX |
| Internal Medicine | 207R00000X | U1096 | TX |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | U1096 | 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 - Cardiac Electrophysiology (IL); Practitioner - Cardiac Electrophysiology (NE); Practitioner - Cardiac Electrophysiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 526 |
|---|---|
| Services billed | 1,030 across 68 procedure codes |
| Paid by Medicare | $73,466 |
Part D prescriptions in 2024
| Prescriptions (claims) | 563 · 1,475 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $225,197 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- University of Texas Health Science Center at San AntonioSan Antonio, TX · 1,297 clinicians
- Peterson Medical AssociatesKerrville, TX · 191 clinicians
Hospital affiliations
- Methodist HospitalSan Antonio, TX
- Peterson Regional Medical CenterKerrville, TX
- University Health SystemSan Antonio, TX
- Ut Health San Antonio Multispecialty & Research HoSan Antonio, TX
Industry payments (Open Payments)
- 2025$18,942 · 84 payments from 13 companies
- 2024$20,115 · 81 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $12,937 | 16 |
| Boston Scientific Corporation | $2,904 | 15 |
| Abbott Laboratories | $1,673 | 17 |
| Medtronic, Inc. | $381.22 | 10 |
| Biosense Webster, Inc. | $233.80 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,250 · 8 payments
- Travel and Lodging$3,981 · 10 payments
- Food and Beverage$3,711 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 Internal Medicine, Clinical Cardiac Electrophysiology providers in San Antonio · All Internal Medicine, Clinical Cardiac Electrophysiology providers in Texas