Shyamsunder Subramanian, MD
NPI 1871588731ActiveIndividual· Internal Medicine, Pulmonary Disease· Tracy, CA
Internal Medicine, Pulmonary Disease (MD) with Sutter Valley Medical Foundation, practicing in Tracy, California. Their prescriptions cost Medicare Part D more than their services did: $4,302,592 for 5,129 claims, against $1,092,294 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $301,306 in all, mostly speaking and faculty fees. Lists St Joseph's Medical Center of Stockton and 1 other hospital as hospital affiliations.
Overview
| NPI | 1871588731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 16, 2005 |
| Last updated in NPPES | Dec 15, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | C133248 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | C133248 | CA |
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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,075 |
|---|---|
| Services billed | 53,192 across 41 procedure codes |
| Paid by Medicare | $1,092,294 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,129 · 7,015 30-day fills |
|---|---|
| Patients | 677 |
| Total drug cost | $4,302,592 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliations
- St Joseph's Medical Center of StocktonStockton, CA
- Sutter Tracy Community HospitalTracy, CA
Industry payments (Open Payments)
- 2025$301,306 · 378 payments from 19 companies
- 2024$154,932 · 220 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $87,617 | 135 |
| Lilly USA, LLC | $68,107 | 74 |
| Genzyme Corporation | $66,175 | 36 |
| Regeneron Healthcare Solutions, Inc. | $24,590 | 15 |
| Glaxosmithkline, LLC. | $20,375 | 28 |
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$226,179 · 124 payments
- Consulting Fee$39,597 · 11 payments
- Travel and Lodging$15,616 · 29 payments
- Honoraria$11,500 · 4 payments
- Food and Beverage$7,948 · 208 payments
- Education$467.38 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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