Gundeep Singh, M.D.
NPI 1972542108ActiveIndividual· Internal Medicine, Cardiovascular Disease· Tucson, AZ
Internal Medicine, Cardiovascular Disease (M.D.) with Tucson Medical Center and 1 other group, practicing in Tucson, Arizona. Their prescriptions cost Medicare Part D more than their services did: $3,102,511 for 10,834 claims, against $825,226 paid for services in 2024. Actelion Pharmaceuticals US, Inc. was the largest of 20 companies reporting payments in 2025, $2,281 in all, mostly food and beverage. Lists Banner - University Medical Center Tucson Campus and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1972542108 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Jan 8, 2021 |
| Certified by provider | Jan 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 41067 | AZ |
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 - Interventional Cardiology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,612 |
|---|---|
| Services billed | 10,627 across 74 procedure codes |
| Paid by Medicare | $825,226 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,834 · 29,025 30-day fills |
|---|---|
| Patients | 1,668 |
| Total drug cost | $3,102,511 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
Medical groups
- Tucson Medical CenterTucson, AZ · 29 clinicians
- Marshall Cardiology, PCTucson, AZ · 5 clinicians
Hospital affiliations
- Banner - University Medical Center Tucson CampusTucson, AZ
- Benson HospitalBenson, AZ
- Northwest Medical CenterTucson, AZ
- St Joseph's HospitalTucson, AZ
- Tucson Medical CenterTucson, AZ
Industry payments (Open Payments)
- 2025$2,281 · 134 payments from 20 companies
- 2024$2,460 · 131 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Actelion Pharmaceuticals US, Inc. | $299.07 | 7 |
| Pfizer Inc. | $273.27 | 18 |
| Novartis Pharmaceuticals Corporation | $266.47 | 17 |
| Amgen Inc. | $175.52 | 21 |
| Alnylam Pharmaceuticals Inc. | $169.65 | 12 |
What the 2025 payments were for
- Food and Beverage$2,281 · 134 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 113 cardiologists in Tucson · All cardiologists in Arizona