Fanni Ratzon, MD
NPI 1316332752 · Anatomic Pathology & Clinical Pathology Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fanni Ratzon, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Greenwich, CT (NPI 1316332752).
Provider details
- NPI number
- 1316332752
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA11155700 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,382 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 777 | $39 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 253 | $29 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 218 | $28 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 117 | $73 |
| Evaluation of Fine Needle Aspirate88172 | 116 | $37 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 115 | $12 |
Practice location
Mailing address
Additional practice locations (1)
- 350 Engle StEnglewood, NJ 07631-1808Phone: (201) 894-3420
Registry dates
- Enumerated
- 2015-04-02
- Last updated
- 2024-10-16
- Certified
- 2024-10-16
Frequently asked questions
- What is Fanni Ratzon's NPI number?
- Fanni Ratzon's National Provider Identifier (NPI) is 1316332752, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fanni Ratzon's specialty?
- Fanni Ratzon is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Fanni Ratzon located?
- Fanni Ratzon's practice location on file with NPPES is 5 Perryridge Rd, Greenwich, CT 06830-4608.
- What is Fanni Ratzon's phone number?
- The practice phone number listed in the NPPES registry for Fanni Ratzon is (203) 785-7037.
- Does Fanni Ratzon accept Medicare?
- Fanni Ratzon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fanni Ratzon's NPI active?
- Yes — Fanni Ratzon's NPI (1316332752) is active in the NPPES registry as of the last update on 2024-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.