Catherine Reizun, DO
NPI 1609337864 · Internal Medicine Physician · Cooperstown, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Reizun, DO is a Internal Medicine Physician provider in Cooperstown, NY (NPI 1609337864).
Provider details
- NPI number
- 1609337864
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 338974 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,817 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 473 | $16 |
| Administration of Influenza Virus VaccineG0008 | 466 | $32 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 376 | $104 |
| Admn Sarscov2 Vacc 1 Dose90480 | 321 | $39 |
| Administration of Pneumococcal, Influenza, Hepatitis B, And/Or Covid-19 Vaccine Inside a Patient'S Home; Reported Only Once Per Individual Home Per Date of Service When Such Vaccine Administration(s) Are Performed at the Patient'S HomeM0201 | 165 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 133 | 36 |
| Amlodipine Besylate | 116 | 38 |
| Omeprazole | 103 | 30 |
| Atorvastatin Calcium | 99 | 31 |
| Apixabanbrand: Eliquis | 86 | 20 |
| Trazodone Hcl | 83 | 20 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-28
- Last updated
- 2025-10-16
- Certified
- 2025-10-16
Frequently asked questions
- What is Catherine Reizun's NPI number?
- Catherine Reizun's National Provider Identifier (NPI) is 1609337864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Reizun's specialty?
- Catherine Reizun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Reizun located?
- Catherine Reizun's practice location on file with NPPES is 1 Atwell Rd, Cooperstown, NY 13326.
- What is Catherine Reizun's phone number?
- The practice phone number listed in the NPPES registry for Catherine Reizun is (607) 547-3480.
- Does Catherine Reizun accept Medicare?
- Catherine Reizun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Reizun's NPI active?
- Yes — Catherine Reizun's NPI (1609337864) is active in the NPPES registry as of the last update on 2025-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.