Isaac Anthony Castillo, MD

Primary specialty

Orthopaedic Foot and Ankle Surgery PhysicianTaxonomy code 207XX0004X

License

W0139 Issued in TX

Practice address

301 University Blvd
Galveston, TX 77555-0165

Phone

(409) 747-5727

Fax

(409) 747-5715

NPI assigned

Apr 22, 2020

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 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

Specialty

Orthopedic Surgery

Education

University of Texas Medical School at Houston, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

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": "1587513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780790400000",
    "number": "1114547841",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 UNIVERSITY BLVD",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775550165",
            "telephone_number": "409-747-5727",
            "fax_number": "409-747-5715"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 UNIVERSITY BLVD",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775550165",
            "telephone_number": "409-747-5727",
            "fax_number": "409-747-5715"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTILLO",
        "first_name": "ISAAC",
        "middle_name": "ANTHONY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-22",
        "last_updated": "2026-06-07",
        "certification_date": "2026-06-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "TX",
            "license": "W0139",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rachel Cartmell
• Chelsea Atlinger Casey, M.D.
• Antonella Casola, M.D.
• Alvah R Cass, MD
• Samuel Cass
• Leslie Gayle Castillo, PTA
• Tarah Leanne Castleberry, D.O.
• Oscar Enrique Castro-Aragon, MD
• Sommer Kirsch Causey, MD
• Gonzalo Francisco Cedillo, MD

• Orthopaedic Foot and Ankle Surgery Physician in Galveston, TX
• Providers in Galveston, TX by specialty
• Orthopaedic Foot and Ankle Surgery Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 7, 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.