Katerina Freyre Diaz, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

320570 Issued in NY

Practice address

Maimonides Medical Center
4802 10TH Avenue
Brooklyn, NY 11219-3032

Phone

(718) 283-6000

NPI assigned

May 23, 2018

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Diagnostic Radiology

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Maimonides Medical Center - MMC Radiology FPPGroup PAC ID 1456241447, 56 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Maimonides Medical Center Hospital, Brooklyn, NY, CCN 330194

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Maimonides Medical Center - MMC Radiology FPP

  • Diagnostic Radiology Physician
  • Brooklyn, NY
  • NPI 1811948284
  Medicare reassignment Care Compare group NPD
• Maimonides Faculty Practice Plan

  • Internal Medicine Physician
  • Brooklyn, NY
  • NPI 1053344846
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Maimonides Medical Center

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1093777492
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1527033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1922599182",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "MAIMONIDES MEDICAL CENTER",
            "address_2": "4802 10TH AVENUE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112193032"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "MAIMONIDES MEDICAL CENTER",
            "address_2": "4802 10TH AVENUE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112193032",
            "telephone_number": "718-283-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Centro Medico de Puerto Rico Bo Monacillos",
            "address_purpose": "LOCATION",
            "city": "San Juan",
            "state": "PR",
            "postal_code": "00936",
            "country_code": "US",
            "telephone_number": "787-480-5885",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FREYRE DIAZ",
        "first_name": "KATERINA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-23",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "320570",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Frey Psychotherapy LCSW PLLC
• Josselyn Frey
• Judy Frey
• Hanna Freyle, MD
• Jaime Freyle, MD
• Orlando Freyre, D.O.
• Maria Freytsis, CNM
• Juana A Frias, M.S. CCC-SLP
• Lina M Frias
• Samantha L Fricke, OTR/L

• Diagnostic Radiology Physician in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Diagnostic Radiology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.