Joachim W. Granzow, M.D., M.P.H., Inc.

Primary specialty

SpecialistTaxonomy code 174400000X

License

A67284 Issued in CA

Legal business name

JOACHIM W. GRANZOW, M.D., M.P.H., INC.

Practice address

23365 Hawthorne Blvd
Torrance, CA 90505-3736

Phone

(310) 882-6261

Fax

(310) 882-6260

NPI assigned

Dec 10, 2008

Organization subpart

No

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

Authorized official

Name

Stacy Ashley

Title

Practice Manager

Phone

(904) 874-9709

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• John Brian Boyd, M.D.

  • Specialist
  • Torrance, CA
  • NPI 1083626238
  NPD

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

{
    "created_epoch": "1228867200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762300800000",
    "number": "1437394020",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 783",
            "city": "MANHATTAN BEACH",
            "state": "CA",
            "postal_code": "902670783",
            "telephone_number": "310-882-6261",
            "fax_number": "310-882-6260"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23365 HAWTHORNE BLVD",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905053736",
            "telephone_number": "310-882-6261",
            "fax_number": "310-882-6260"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOACHIM W. GRANZOW, M.D., M.P.H., INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-12-10",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A",
        "authorized_official_last_name": "ASHLEY",
        "authorized_official_first_name": "STACY",
        "authorized_official_title_or_position": "PRACTICE MANAGER",
        "authorized_official_telephone_number": "904-874-9709"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Specialist",
            "state": "CA",
            "license": "A67284",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Specialist in Torrance, CA
• Providers in Torrance, CA by specialty
• Specialist in California

• 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.