David A. Granovetter, MD

Primary specialty

Addiction Psychiatry PhysicianTaxonomy code 2084P0802X

License

G67173 Issued in CA

Practice address

6203 San Ignacio Ave Ste 110
San Jose, CA 95119-1358

Phone

(660) 245-2858

NPI assigned

Oct 27, 2006

Sex

Male

Sole proprietor

Yes

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

Enrolled in CA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD

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

{
    "created_epoch": "1161907200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1619053121",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6203 SAN IGNACIO AVE STE 110",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951191358",
            "telephone_number": "669-245-2858"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6203 SAN IGNACIO AVE STE 110",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951191358",
            "telephone_number": "660-245-2858"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRANOVETTER",
        "first_name": "DAVID",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-27",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0802X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Psychiatry",
            "state": "CA",
            "license": "G67173",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G671730",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alyssa Marie Granata
• Grancare LLC
• Grancare LLC
• Grand Century Dental Center
• Hubert J Granizo, DDS
• Natalie Navina Grant-Clemons
• Amber Grant
• Bianca Grant
• Bobbie Nicole Grant, CERT.HAIRLOSS SPEC.
• Gyanai Grant

• Addiction Psychiatry Physician in San Jose, CA
• Providers in San Jose, CA by specialty
• Addiction Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.