Subramanian Malaisamy, MBBS, MRCP (UK)
NPI 1861698185ActiveIndividual· Internal Medicine, Pulmonary Disease· Newport News, VA
Internal Medicine, Pulmonary Disease (MBBS, MRCP (UK)) with Tidewater Physicians Multispecialty Group, PC, practicing in Newport News, Virginia. Their prescriptions cost Medicare Part D more than their services did: $1,367,382 for 2,605 claims, against $211,200 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 27 companies reporting payments in 2025, $3,430 in all, mostly food and beverage. Lists Bon Secours Maryview Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1861698185 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MBBS, MRCP (UK) |
| Sole proprietor | No |
| NPI issued | Jun 23, 2007 |
| Last updated in NPPES | Jul 1, 2026 |
| Certified by provider | Jul 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 0101243382 | VA |
| Internal Medicine | 207R00000X | 0101243382 | VA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 0101243382 | VA |
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 - Pulmonary Disease (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 738 |
|---|---|
| Services billed | 3,226 across 33 procedure codes |
| Paid by Medicare | $211,200 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,605 · 3,635 30-day fills |
|---|---|
| Patients | 372 |
| Total drug cost | $1,367,382 |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Tidewater Physicians Multispecialty Group, PCWilliamsburg, VA · 261 clinicians
Hospital affiliations
- Bon Secours Maryview Medical CenterPortsmouth, VA
- Mary Immaculate HospitalNewport News, VA
- Riverside Regional Medical CenterNewport News, VA
- Sentara Careplex HospitalHampton, VA
- Sentara Obici HospitalSuffolk, VA
Industry payments (Open Payments)
- 2025$3,430 · 143 payments from 27 companies
- 2024$2,101 · 98 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $727.68 | 32 |
| Glaxosmithkline, LLC. | $335.49 | 15 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $261.66 | 6 |
| Inspire Medical Systems, Inc. | $236.66 | 6 |
| Regeneron Healthcare Solutions, Inc. | $168.57 | 9 |
What the 2025 payments were for
- Food and Beverage$3,322 · 141 payments
- Education$108.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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