Osias B. Diaz, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

147268-1 Issued in NY

Practice address

150 55TH St
Brooklyn, NY 11220-2559

Phone

(718) 630-7185

NPI assigned

Mar 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Nes Medical Services of New York PC

  • Emergency Medicine Physician
  • Bath, NY
  • NPI 1215455191
  NPD (past)
• University Group Medical Associates, P.C

  • Diagnostic Radiology Physician
  • Brooklyn, NY
  • NPI 1285683102

  Emergency Medicine

  NPD (past)

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1174592307",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 409041",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303849041",
            "telephone_number": "800-377-8721",
            "fax_number": "304-523-2241"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 55TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112202559",
            "telephone_number": "718-630-7185"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "OSIAS",
        "middle_name": "B.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "147268-1",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00773033",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Natalia Shellliza Diaz, MSN RN AGNP-C
• Natalie Diaz, M.A., CCC-SLP, TSSLD
• Natasha Diaz
• Nineth E Diaz
• Olga Diaz
• Rosa Idalia Diaz, DENTIST
• Roxanne Ayag Diaz, PT
• Ruth C Diaz, SLP
• Stacy Carmen Diaz, MD
• Stephanie Marie Diaz

• Emergency Medicine Physician in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Emergency Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.