Steven Grant Deeks, MD

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

G73895 Issued in CA

Practice address

513 Parnassus Ave
San Francisco, CA 94143-2205

Phone

(415) 476-9362

NPI assigned

Sep 27, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

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.

• City & County of San Francisco

  • Clinical Medical Laboratory
  • San Francisco, CA
  • NPI 1982737524
  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Otolaryngology Physician
  • San Francisco, CA
  • NPI 1154396208
  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Hematology (Internal Medicine) Physician
  • San Francisco, CA
  • NPI 1326013442
  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Infectious Disease Physician
  • San Francisco, CA
  • NPI 1366417933
  Medicare reassignment NPD
• Regents of the University of California

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1760552343
  Medicare reassignment
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment
• City & County of San Francisco

  • Community Health/Public Health Clinical Nurse Specialist
  • San Francisco, CA
  • NPI 1609041060
  NPD
• City and County of San Francisco

  • Methadone Clinic
  • San Francisco, CA
  • NPI 1578787925
  NPD
• University of California SFGH Medical Group

  • Vascular Surgery Physician
  • San Francisco, CA
  • NPI 1033913959
  NPD
• University of California SFGH Medical Group

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1306811930
  NPD
• University of California SFGH Medical Group

  • Medical Oncology Physician
  • San Francisco, CA
  • NPI 1386619419
  NPD

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

{
    "created_epoch": "1159315200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1073604666",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 743749",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900743749",
            "telephone_number": "415-514-3000",
            "fax_number": "415-502-8175"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "513 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432205",
            "telephone_number": "415-476-9362"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "995 Potrero Avenue",
            "address_2": "Bldg 80 Ward 84",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941103518",
            "country_code": "US",
            "telephone_number": "415-476-4082",
            "fax_number": "415-476-5953",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEEKS",
        "first_name": "STEVEN",
        "middle_name": "GRANT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-27",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "G73895",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G73895",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G738950",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "010050556",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Margaret Anne Decuir, AMFT
• Yasmin Kolsum Decuire, PSYCHOTHERAPIST
• Alison M Dedent, MD
• Raj Dedhia
• Russell D Dedini, M.D.
• Jordan Laura Deely
• Michelle Tomcufcik Deely, LMFT
• Jordan Deemer, B.A.
• Laura Deering, M.D.
• Giulia Defant

• Medical Oncology Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Medical Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.