Ashwin Krishnan Thiagarajasubramanian, M.D.
NPI 1134562879ActiveIndividual· Internal Medicine, Cardiovascular Disease· Phoenixville, PA
Internal Medicine, Cardiovascular Disease (M.D.) in Phoenixville, Pennsylvania, trained at Ohio State University College of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $564,280 for 2,983 claims, against $35,419 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 3 companies reporting payments in 2025, $117.02 in all, mostly food and beverage.
Overview
| NPI | 1134562879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2013 |
| Last updated in NPPES | Aug 13, 2025 |
| Certified by provider | Aug 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MD466255 | PA |
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 - Cardiovascular Disease (Cardiology) (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 344 |
|---|---|
| Services billed | 686 across 35 procedure codes |
| Paid by Medicare | $35,419 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,983 · 7,252 30-day fills |
|---|---|
| Patients | 453 |
| Total drug cost | $564,280 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Reading HospitalWyomissing, PA · 186 clinicians
- Phoenixville Clinic Company LLCPhoenixville, PA · 134 clinicians
Hospital affiliations
- Main Line Hospital LankenauWynnewood, PA
- Phoenixville HospitalPhoenixville, PA
- Pottstown HospitalPottstown, PA
- Reading HospitalWest Reading, PA
Industry payments (Open Payments)
- 2025$117.02 · 3 payments from 3 companies
- 2024$59.73 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $57.61 | 1 |
| Amgen Inc. | $43.00 | 1 |
| Terumo Medical Corporation | $16.41 | 1 |
What the 2025 payments were for
- Food and Beverage$117.02 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Phoenixville
- 1902988397
- 1912268343
- 1063594877
- 1851641229
- 1376968313
- 1518492370
- 1538133780
- 1336303122
- 1023564762
- 1184090995
- 1154483790
All Internal Medicine, Cardiovascular Disease providers in Pennsylvania →