Ariel Marton Fischer, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

A207222 Issued in CA

Practice address

401 Bicentennial Way
Santa Rosa, CA 95403-2149

Phone

(707) 393-4000

NPI assigned

Mar 25, 2020

Last updated

Sep 16, 2026By the provider in NPPES

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

Electronic endpoints 1

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

Interoperability endpoints

• Direct secure messaging: afischer262832@direct.bmc.masshiway.net

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

{
    "created_epoch": "1585094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789516800000",
    "number": "1518594027",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 BICENTENNIAL WAY",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954032149"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 BICENTENNIAL WAY",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954032149",
            "telephone_number": "707-393-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FISCHER",
        "first_name": "ARIEL",
        "middle_name": "MARTON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-25",
        "last_updated": "2026-09-16",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A207222",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org;14430/interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewayssync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "401 Bicentennial Way",
            "city": "Santa Rosa",
            "state": "CA",
            "country_code": "US",
            "postal_code": "954032149",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dyke William Finley, MD
• James Crampton Finn III, M.D.
• Jo-Ann Finney, AOD COUNSELOR
• Stephanie Carmela Fintz
• Carole Susan Firestone-Gillis, M.A., M.F.T.
• Brandon Dale Fish
• Jennifer Cecilia Fish, M.D.
• Jaimie L Fisher, CATC I
• Kathy Lynn Fisher, MFT
• Patrick Arin Fisher, PHARM.D.

• Gastroenterology Physician in Santa Rosa, CA
• Providers in Santa Rosa, CA by specialty
• Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 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.