Laurene Spencer, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

G45940 Issued in CA

Practice address

1111 Market St
San Francisco, CA 94103-1589

Phone

(415) 863-3883

NPI assigned

Jan 30, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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.

• Baart Community Healthcare

  • Primary Care Clinic/Center
  • Los Angeles, CA
  • NPI 1497127328
  Medicare reassignment
• Addiction Research and Treatment, Inc.

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Los Angeles, CA
  • NPI 1912045196
  NPD
• Baart Community Healthcare

  • Clinic/Center
  • Lynwood, CA
  • NPI 1215368956
  NPD
• Medmark Treatment Centers - Fresno West, Inc.

  • Methadone Clinic
  • Fresno, CA
  • NPI 1568676575
  NPD

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

{
    "created_epoch": "1170115200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1114064342",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1560 HAYNE RD",
            "city": "HILLSBOROUGH",
            "state": "CA",
            "postal_code": "940106757",
            "telephone_number": "415-928-7800",
            "fax_number": "415-928-3710"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 MARKET ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941031589",
            "telephone_number": "415-863-3883"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "433 Turk St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941023329",
            "country_code": "US",
            "telephone_number": "415-928-7800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "795 Willow Rd Bldg 332",
            "address_purpose": "LOCATION",
            "city": "Menlo Park",
            "state": "CA",
            "postal_code": "940252539",
            "country_code": "US",
            "telephone_number": "650-324-1470",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1310 M St",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937211808",
            "country_code": "US",
            "telephone_number": "559-264-2700",
            "fax_number": "559-264-2767",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1235 E St",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937062024",
            "country_code": "US",
            "telephone_number": "559-268-6261",
            "fax_number": "559-268-7518",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3103 E Cartwright Ave",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937259385",
            "country_code": "US",
            "telephone_number": "559-498-7100",
            "fax_number": "559-498-7111",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SPENCER",
        "first_name": "LAURENE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-30",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G45940",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Courtney Spencer
• Emerald Martin Spencer, M.D.
• George Spencer
• Jennifer Enid Spencer
• Jessica Lynne Spencer, MS, OTR/L
• Megan E Spencer, NP
• Renee L Spencer, MFT
• Sara Hollister Spencer, M.S. CCC
• Sherry Spencer, M.A., BCBA
• Tiquan Thomas Spencer

• Internal Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 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.