William C. Mentzer, M.D.

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

G11921 Issued in CA

Practice address

505 Parnassus Ave # M649
San Francisco, CA 94143-2204

Phone

(415) 476-1280

Fax

(415) 502-4372

NPI assigned

Sep 21, 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 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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.

• UCSF Medical Center at Mt. Zion

  • Critical Access Hospital
  • San Francisco, CA
  • NPI 1952515975
  NPD (past)
• UCSF Pediatrics Associates

  dba UCSF Medical Center

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1376614016
  NPD (past)
• University of California San Francisco

  dba UCSF Medical Center Adult Chronic Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • San Francisco, CA
  • NPI 1992818256
  NPD (past)
• University of California San Francisco Medical Center

  dba UCSF Medical Center

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1144325440
  NPD (past)

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

{
    "created_epoch": "1158796800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1345766400000",
    "number": "1255430146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO ST",
            "address_2": "SUITE 625, BOX 1821",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-476-4029",
            "fax_number": "415-476-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE # M649",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-476-1280",
            "fax_number": "415-502-4372"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MENTZER",
        "first_name": "WILLIAM",
        "middle_name": "C.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-21",
        "last_updated": "2012-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "G11921",
            "primary": false
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "CA",
            "license": "G11921",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G119210",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Blair Menn, MA CCC-SLP
• Martin Mennen, M.D
• Anitha Menon Vinodkumar, MD
• Arun Menon, MBBS
• Mental Health Association of San Francisco
• Kathryn Helen C Menut, MD, MS
• Stacy Marie Menz, DPT
• Rebecca Lynn Menza, ACNP
• Anthony Menzies
• Tanya Mera

• Pediatric Hematology & Oncology Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Pediatric Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2012; 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.