Catherine Reizun, DO
NPI 1609337864ActiveIndividual· Internal Medicine· Cooperstown, NY
Internal Medicine (DO) with Mary Imogene Bassett Hospital, practicing in Cooperstown, New York. In 2024 Medicare paid $216,323 for 769 patients, and Part D covered 2,954 of their prescriptions, 85% of them generic. Lists Aurelia Osborn Fox Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1609337864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 28, 2019 |
| Last updated in NPPES | Oct 16, 2025 |
| Certified by provider | Oct 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 338974 | 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 - Internal Medicine (MA); Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 769 |
|---|---|
| Services billed | 3,783 across 50 procedure codes |
| Paid by Medicare | $216,323 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,954 · 4,369 30-day fills |
|---|---|
| Patients | 292 |
| Total drug cost | $270,359 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mary Imogene Bassett HospitalSidney, NY · 763 clinicians
Hospital affiliations
- Aurelia Osborn Fox Memorial HospitalOneonta, NY
- Bassett HealthcareCooperstown, NY
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Massachusetts General HospitalBoston, MA
- North Shore Medical Center -Salem, MA
Other facilities
- At Home Care Inc ChhaHome health agency · Oneonta, NY
- Care Dimensions, IncHospice · Danvers, MA
- Helios CareHospice · Oneonta, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 internal medicine physicians in Cooperstown · All internal medicine physicians in New York