John L Clothier, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

G81579 Issued in CA

Practice address

4000 Civic Center Dr Ste 206
San Rafael, CA 94903-5233

Phone

(415) 925-8865

Fax

(415) 446-0134

NPI assigned

Jan 10, 2007

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

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

Specialty

Family Practice

Education

University of Arizona College of Medicine, 1993

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Regents Univ of California UCSFGroup PAC ID 6305160300, 276 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marinhealth Medical Center Hospital, Greenbrae, CA, CCN 050360
• Novato Community Hospital Hospital, Novato, CA, CCN 050131

Merit-based Incentive Payment System (MIPS)

Final score

81.03 of 100Reported as subgroup

Quality

80.86

Promoting interoperability

76

Improvement activities

40

Cost

75.91

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jclothier88448@direct-ucsfmedicalcenter.org

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.

• Regents Univ of California UCSF

  dba UCSF Physician Group

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1124439807
  Medicare reassignment Care Compare group NPD

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

• Marin General Hospital

  • General Acute Care Hospital
  • Greenbrae, CA
  • NPI 1396725677
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Novato, CA
  • NPI 1104059153
  Care Compare affiliation

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

{
    "created_epoch": "1168387200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773705600000",
    "number": "1750431250",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 CIVIC CENTER DR STE 206",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949035233",
            "telephone_number": "415-947-3096",
            "fax_number": "415-947-3094"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 CIVIC CENTER DR STE 206",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949035233",
            "telephone_number": "415-925-8865",
            "fax_number": "415-446-0134"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "335 S McDowell Blvd",
            "address_purpose": "LOCATION",
            "city": "Petaluma",
            "state": "CA",
            "postal_code": "949543507",
            "country_code": "US",
            "telephone_number": "415-925-8865",
            "fax_number": "415-446-0134",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CLOTHIER",
        "first_name": "JOHN",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-10",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QS0010X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Sports Medicine",
            "state": "CA",
            "license": "G81579",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "G81579",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cheryl Clementson
• Tiffany Ann Cleveland
• Jean Clinton, LPC
• Kelly Clohessy, LAC
• Gina Noelle Cloney, NP
• Jessica Anne Clubb, PHARM.D.
• Lynne Clyde, LMFT, #104574
• Reed Coast, DPM
• Carrie Coats
• Christine Coats

• Family Medicine Physician in San Rafael, CA
• Providers in San Rafael, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 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.
• 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.