Erdal C. Gursoy, MD, PHD
NPI 1396846929ActiveIndividual· Internal Medicine· Worcester, MA
Internal Medicine (MD, PHD) with Ismail Ozcan MD PC, practicing in Worcester, Massachusetts. Mostly services rather than prescriptions: Medicare paid $8,120 for 30 patients in 2024, with only 13 Part D claims. Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $970.29 in all, mostly travel and lodging.
Overview
| NPI | 1396846929 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | Yes |
| NPI issued | Sep 26, 2006 |
| Last updated in NPPES | Feb 5, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 225556 | MA |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 82 across 9 procedure codes |
| Paid by Medicare | $8,120 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 17 30-day fills |
|---|---|
| Total drug cost | $21.21 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiac Electrophysiology |
Medical group
- Ismail Ozcan MD PCLake Ronkonkoma, NY · 3 clinicians
Industry payments (Open Payments)
- 2025$970.29 · 12 payments from 3 companies
- 2024$290.79 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $944.13 | 10 |
| Boston Scientific Corporation | $22.40 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $3.76 | 1 |
What the 2025 payments were for
- Travel and Lodging$698.91 · 4 payments
- Food and Beverage$271.38 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Worcester
- 1003477175
- 1043507171
- 1043763782
- 1083267421
- 1083763890
- 1104014117
- 1104405471
- 1154310746
- 1164650727
- 1164811741
- 1164862694
- 1184185902
All 471 internal medicine physicians in Worcester · All internal medicine physicians in Massachusetts