Gregory Crossman, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

19743 Issued in CA

Practice address

4340 Redwood Hwy Ste F103
San Rafael, CA 94903-2121

Phone

(415) 446-7285

NPI assigned

Sep 20, 2007

Sex

Male

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

Enrollment records 1

Specialty

Chiropractic

Education

Life Chiropractic College - West, 1988

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Crossman Chiropractic, Inc.

  • Chiropractor
  • San Rafael, CA
  • NPI 1447920442
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1190246400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785542400000",
    "number": "1316133531",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4340 REDWOOD HWY STE 103",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949032131",
            "telephone_number": "415-446-7285"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4340 REDWOOD HWY STE F103",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949032121",
            "telephone_number": "415-446-7285"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CROSSMAN",
        "first_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-09-20",
        "last_updated": "2026-08-01",
        "certification_date": "2026-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "CA",
            "license": "19743",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Devon Croft, PPS
• Jennifer Horch Cromar, CNM, NP
• Shanna Marie Cronan, RN,PHN
• Michelle Marie Crook, RESPIRATORY CARE PRA
• Crossman Chiropractic, Inc.
• Linda J Crothers, PH.D.
• Georgia Crowe
• Michael Myles Crowe
• Sarah Nicole Crowley
• Meredee Crutcher, PHARM.D.

• Chiropractor in San Rafael, CA
• Providers in San Rafael, CA by specialty
• Chiropractor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.