Mark H Ellis, MD

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

A26035 Issued in CA

Practice address

1234 Empire St
Fairfield, CA 94533-5711

Phone

(707) 426-3911

Fax

(707) 434-2043

NPI assigned

Oct 6, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1160092800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1144317462",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 255668",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958655668",
            "telephone_number": "800-470-0071"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1234 EMPIRE ST",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945335711",
            "telephone_number": "707-426-3911",
            "fax_number": "707-434-2043"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELLIS",
        "first_name": "MARK",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-06",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A26035",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "A26035",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A260350",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sandi Rose Ellerbe, SUDCC 8646
• Darrell Lamont Ellingberg Jr.
• Joshua Thomas Ellington
• Leland Dean Elliott, RBT
• Billy Frank Ellis Jr.
• Youssef Elmanawy, PHD. LAADC.
• Joevone Elster Sr., CADC-II
• Rianna Eltagonde
• Emergency and Acute Care Medical Corporation
• Emeritus Corporation

• Infectious Disease Physician in Fairfield, CA
• Providers in Fairfield, CA by specialty
• Infectious Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.