Katerina Freyre Diaz, MD
NPI 1922599182 · Diagnostic Radiology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katerina Freyre Diaz, MD is a Diagnostic Radiology Physician provider in Brooklyn, NY (NPI 1922599182).
Provider details
- NPI number
- 1922599182
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 320570 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
416 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 66 | $31 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 51 | $31 |
| Diagnostic Mammography of Both Breasts77066 | 41 | $52 |
| Diagnostic Mammography of Both Breasts77066 | 34 | $52 |
| Diagnostic Mammography of 1 Breast77065 | 33 | $42 |
| Complete Ultrasound Scan of 1 Breast76641 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- Centro Medico De Puerto Rico Bo MonacillosSan Juan, PR 00936Phone: (787) 480-5885
Registry dates
- Enumerated
- 2018-05-23
- Last updated
- 2025-11-12
- Certified
- 2025-11-12
Frequently asked questions
- What is Katerina Freyre Diaz's NPI number?
- Katerina Freyre Diaz's National Provider Identifier (NPI) is 1922599182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katerina Freyre Diaz's specialty?
- Katerina Freyre Diaz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Katerina Freyre Diaz located?
- Katerina Freyre Diaz's practice location on file with NPPES is Maimonides Medical Center, Brooklyn, NY 11219-3032.
- What is Katerina Freyre Diaz's phone number?
- The practice phone number listed in the NPPES registry for Katerina Freyre Diaz is (718) 283-6000.
- Does Katerina Freyre Diaz accept Medicare?
- Katerina Freyre Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katerina Freyre Diaz's NPI active?
- Yes — Katerina Freyre Diaz's NPI (1922599182) is active in the NPPES registry as of the last update on 2025-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.