Kathryn Ann Mraz, MS, CGC

Primary specialty

Genetic Counselor (M.S.)Taxonomy code 170300000X

License

247.000018 Issued in IL

Practice address

223 Bedford Ave Ste 1137
Brooklyn, NY 11211-4171

Phone

(516) 900-4363

NPI assigned

Jan 12, 2010

Last updated

Nov 5, 2025By the provider in NPPES

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

State licenses

Practice roles

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

• Grey Genetics, LLC

  • Genetic Counselor (M.S.)
  • Brooklyn, NY
  • NPI 1295244184

  Genetic Counselor, Ms

  NPD (past)

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

{
    "created_epoch": "1263254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762300800000",
    "number": "1265762314",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "223 BEDFORD AVE STE 1137",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112114171",
            "telephone_number": "516-900-4363"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "223 BEDFORD AVE STE 1137",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112114171",
            "telephone_number": "516-900-4363"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MRAZ",
        "first_name": "KATHRYN",
        "middle_name": "ANN",
        "name_prefix": "Ms.",
        "credential": "MS, CGC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-01-12",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "170300000X",
            "taxonomy_group": "",
            "desc": "Genetic Counselor, MS",
            "state": "IL",
            "license": "247.000018",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mr Cassamajor Holding LLC
• Mr Homecare Agency of Ny Inc
• Mr Test Corp
• Mr Wound Solutions, LLC.
• Zan Mra, MD
• Matthew Sande Mrlik
• Lamia Mahhoud Mroueh, M.D
• Victoria Paige Mrozinski, OTR/L
• Amy Mrozowski, LMSW
• MRR Pharma Inc (Scarpa Pharmacy & Surgical Supplies)

• Genetic Counselor (M.S.) in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Genetic Counselor (M.S.) in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.