Eithan Kotkowski, MD, PHD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

V9644 Issued in TX

Practice address

730 Pleasanton Rd
San Antonio, TX 78214-1345

Phone

(210) 921-3800

NPI assigned

Mar 25, 2021

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

Specialty

Neurology

Education

University of Texas Medical School at San Antonio, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

GMG Health Systems Associates PAGroup PAC ID 8123932647, 115 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

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.

• GMG Health Systems Associates PA

  • Family Medicine Physician
  • San Antonio, TX
  • NPI 1023030160
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1616630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760659200000",
    "number": "1497332498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "720 PLEASANTON RD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782141343",
            "telephone_number": "210-921-3800",
            "fax_number": "210-334-2861"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "730 PLEASANTON RD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782141345",
            "telephone_number": "210-921-3800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOTKOWSKI",
        "first_name": "EITHAN",
        "credential": "MD, PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-25",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "TX",
            "license": "V9644",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Phillip W Kostroun, REGISTERED DIETITIAN
• Mai Ka Kostur, FNP-BC
• Kristy Y Kosub, MD
• Krystal Kosub, LMFT
• Ashley Kothmann, DDS
• Prashanth Sai Kotla
• Juanita Kotlowski
• Kimberly Kotrla, LCSW
• Summer Ashley Kotson, D.C.
• Bindu Shaji Kottanal, RN, BSN, PCCN, CVRN

• Neurology Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Neurology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 17, 2025; 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.