George Groussis, MD
NPI 1184690992ActiveIndividual· Internal Medicine· Worcester, MA
Internal Medicine (MD) in Worcester, Massachusetts, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $571,459 for 5,232 claims, against $91,430 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,886 in all, mostly food and beverage.
Overview
| NPI | 1184690992 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 23, 2006 |
| Last updated in NPPES | Apr 30, 2022 |
| Certified by provider | Apr 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 81987 | 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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 172 |
|---|---|
| Services billed | 1,630 across 57 procedure codes |
| Paid by Medicare | $91,430 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,232 · 12,954 30-day fills |
|---|---|
| Patients | 312 |
| Total drug cost | $571,459 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Other facilities
- Vna Care NetworkHome health agency · Worcester, MA
Industry payments (Open Payments)
- 2025$1,886 · 92 payments from 14 companies
- 2024$1,035 · 50 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $849.50 | 44 |
| Janssen Pharmaceuticals, Inc | $176.52 | 10 |
| Exact Sciences Corporation | $165.85 | 7 |
| Amgen Inc. | $115.53 | 5 |
| Otsuka America Pharmaceutical, Inc. | $107.41 | 4 |
What the 2025 payments were for
- Food and Beverage$1,886 · 92 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 471 internal medicine physicians in Worcester · All internal medicine physicians in Massachusetts