Mark Andrew Tobias, DO

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

W2795 Issued in TX

Practice address

11937 US Highway 271 # B-410
Tyler, TX 75708-3154

Phone

(210) 710-8944

NPI assigned

May 29, 2023

Last updated

Sep 4, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 TX

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 Osteopathy

State licenses

Interoperability endpoints

• Direct secure messaging: mtobias877322@ahs.direct-ci.com

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

{
    "created_epoch": "1685318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1558054379",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11937 US HIGHWAY 271 # B-410",
            "city": "TYLER",
            "state": "TX",
            "postal_code": "757083154",
            "telephone_number": "210-710-8944"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11937 US HIGHWAY 271 # B-410",
            "city": "TYLER",
            "state": "TX",
            "postal_code": "757083154",
            "telephone_number": "210-710-8944"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TOBIAS",
        "first_name": "MARK",
        "middle_name": "ANDREW",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-05-29",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "W2795",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hannah Titlow, RN
• Karlee Tittle
• Titus County Hospital District (Pinecrest Nursing & Rehabilitation Center)
• Yasmilett Tobar
• Mandy Tobias
• Ceselie Ann Tobin, LPC
• David Aaron Tobin, CRNA
• Hugh E Tobin, M.D.
• Allison M Tobola, MD
• Joshua D Toby, M.D.

• Psychiatry Physician in Tyler, TX
• Providers in Tyler, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.