Thomas T. Chen, M.D.
NPI 1164415899ActiveIndividual· Internal Medicine, Cardiovascular Disease· Flushing, NY
Internal Medicine, Cardiovascular Disease (M.D.) in Flushing, New York, trained at Icahn School of Medicine at Mount Sinai (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $799,541 for 7,364 claims, against $264,663 paid for services in 2024. Biotronik Inc. was the largest of 14 companies reporting payments in 2025, $1,790 in all, mostly food and beverage.
Overview
| NPI | 1164415899 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 29, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 185166 | NY |
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 - Cardiovascular Disease (Cardiology) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 304 |
|---|---|
| Services billed | 3,304 across 28 procedure codes |
| Paid by Medicare | $264,663 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,364 · 9,395 30-day fills |
|---|---|
| Patients | 1,245 |
| Total drug cost | $799,541 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$1,790 · 46 payments from 14 companies
- 2024$1,758 · 67 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotronik Inc. | $834.99 | 6 |
| Merck Sharp & Dohme LLC | $200.42 | 9 |
| Actelion Pharmaceuticals US, Inc. | $175.53 | 4 |
| Novartis Pharmaceuticals Corporation | $106.00 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $100.51 | 4 |
What the 2025 payments were for
- Food and Beverage$1,701 · 45 payments
- Education$89.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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