Tharini Gunapalan, M.D.
NPI 1558776427ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Suffolk, VA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Tidewater Physicians Multispecialty Group, PC, practicing in Suffolk, Virginia. Their prescriptions cost Medicare Part D more than their services did: $196,885 for 397 claims, against $43,038 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $285.50 in all, mostly food and beverage. Lists Bon Secours Harbour View Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1558776427 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2014 |
| Last updated in NPPES | Jul 29, 2025 |
| Certified by provider | Jul 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 0101261839 | VA |
| Internal Medicine | 207R00000X | 0101261839 | VA |
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 - Endocrinology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 842 across 38 procedure codes |
| Paid by Medicare | $43,038 |
Part D prescriptions in 2024
| Prescriptions (claims) | 397 · 817 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $196,885 |
| Generic share | 39% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Hospitalist |
| Telehealth | Offers telehealth |
Medical group
- Tidewater Physicians Multispecialty Group, PCWilliamsburg, VA · 261 clinicians
Hospital affiliations
- Bon Secours Harbour View Medical CenterSuffolk, VA
- Bon Secours Maryview Medical CenterPortsmouth, VA
- Bon Secours Southampton Memorial HospitalFranklin, VA
- Sentara Norfolk General HospitalNorfolk, VA
- Sentara Obici HospitalSuffolk, VA
Industry payments (Open Payments)
- 2025$285.50 · 10 payments from 7 companies
- 2024$70.81 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $89.74 | 1 |
| Mannkind Corporation | $66.52 | 2 |
| Beta Bionics, Inc. | $39.01 | 2 |
| Insulet Corporation | $36.80 | 2 |
| Ascendis Pharma Endocrinology Inc | $19.27 | 1 |
What the 2025 payments were for
- Food and Beverage$243.00 · 9 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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