Peter George Hasapis, MD
Opted out of Medicare from January 2014 to January 2028. Internal Medicine (MD) in New Canaan, Connecticut, licensed in CT, with an NPI issued in November 2006. Part D covered 2,367 prescriptions written in 2024, 84% of them generic. Exact Sciences Corporation was the largest of 11 companies reporting payments in 2025, $468.95 in all, mostly food and beverage.
Overview
| NPI | 1720154354 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 27, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 038777 | CT |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jan 1, 2014 – Jan 1, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 2,367 · 4,190 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $312,504 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$468.95 · 22 payments from 11 companies
- 2024$374.54 · 17 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $122.77 | 6 |
| Otsuka America Pharmaceutical, Inc. | $68.04 | 3 |
| Astrazeneca Pharmaceuticals LP | $62.49 | 3 |
| Novo Nordisk Inc | $58.62 | 2 |
| Merck Sharp & Dohme LLC | $42.33 | 2 |
What the 2025 payments were for
- Food and Beverage$468.95 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 internal medicine physicians in New Canaan · All internal medicine physicians in Connecticut