Chelsea Joy Thomsen, M.D., M.S.P.H

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A170520 Issued in CA

Practice address

2 W Portal Ave
San Francisco, CA 94127-1304

Phone

(415) 291-0480

Fax

(415) 252-7176

NPI assigned

May 13, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Dr. Chelsea Joy McGarvey Former name

Medicare fee-for-service enrollment

Enrolled in AZ, CA2 enrollments

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 2

Specialty

Internal Medicine

Education

University of Arizona College of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

One Medical Group IncGroup PAC ID 2567623739, 330 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047

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.

• One Medical Group, Inc.

  • Family Medicine Physician
  • San Francisco, CA
  • NPI 1467781641

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Honorhealth Ambulatory

  • Hematology & Oncology Physician
  • Scottsdale, AZ
  • NPI 1407050917
  Medicare reassignment NPD
• Honorhealth Medical Group, LLC

  • Primary Care Clinic/Center
  • Peoria, AZ
  • NPI 1043851793
  Medicare reassignment NPD
• Honorhealth Ambulatory

  • Surgery Physician
  • Scottsdale, AZ
  • NPI 1457505828
  NPD
• Honorhealth Ambulatory

  • Emergency Medicine Physician
  • Mesa, AZ
  • NPI 1891518130
  NPD
• Honorhealth Medical Group, LLC

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1033104716
  NPD
• Honorhealth Medical Group, LLC

  • Family Medicine Physician
  • Scottsdale, AZ
  • NPI 1285338343
  NPD
• Honorhealth Medical Group, LLC

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1679876601
  NPD
• One Medical Group, Inc

  • Family Medicine Physician
  • Tigard, OR
  • NPI 1891521134

  Internal Medicine

  NPD
• Squaw Peak Family Physicians PC

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1578590303
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1740348929
  Care Compare affiliation

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

{
    "created_epoch": "1399939200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741910400000",
    "number": "1003227927",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "415-658-6791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 W PORTAL AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941271304",
            "telephone_number": "415-291-0480",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1998 Market St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941026228",
            "country_code": "US",
            "telephone_number": "415-790-6040",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMSEN",
        "first_name": "CHELSEA",
        "middle_name": "JOY",
        "name_prefix": "Dr.",
        "credential": "M.D., M.S.P.H",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-13",
        "last_updated": "2025-03-14",
        "certification_date": "2025-03-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "50576",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A170520",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHELSEA",
            "last_name": "MCGARVEY",
            "middle_name": "JOY",
            "prefix": "DR.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Sunceree Cairo Thompson, SUDCR
• Tyjon Thompson
• Vanessa Victoria Thompson, M.D.
• Victoria Thompson
• William Ely Thompson
• Edith Thomsen, PH.D.
• David Alexander Thomson, LCSW
• James Thomson
• Lorna R. Thomson, MD
• Paige Thomson, OTR/L

• 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 Mar 14, 2025; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.