Joseph John Thayil, MD

Primary specialty

Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X

License

M2153 Issued in TX

Practice address

4129 Naco Perrin Blvd
San Antonio, TX 78217-2505

Phone

(210) 722-8106

Fax

(210) 275-0080

NPI assigned

Sep 19, 2005

Last updated

Apr 22, 2025By 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

Other identifiers 1

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 Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Thayil, Inc

  • Internal Medicine Physician
  • Live Oak, TX
  • NPI 1497986137
  Medicare reassignment Authorized official
• Health and Human Services Commission

  dba Rio Grande State Center

  • Clinical Neuropsychologist
  • Harlingen, TX
  • NPI 1356414692
  Medicare reassignment NPD
• Health and Human Services Commission

  dba Big Spring State Hospital

  • Psychiatric Hospital
  • Big Spring, TX
  • NPI 1881600682
  NPD
• BHS Specialty Network Inc

  dba Heart & Vascular Institute of Texas

  • Cardiovascular Disease Physician
  • San Antonio, TX
  • NPI 1831492651
  NPD (past)
• R L Carry Inc

  • Geriatric Medicine (Internal Medicine) Physician
  • San Antonio, TX
  • NPI 1023297306
  NPD (past)

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

{
    "created_epoch": "1127088000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745280000000",
    "number": "1275528978",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "P.O. BOX 780566",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782780566",
            "telephone_number": "210-646-0800",
            "fax_number": "210-590-6997"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4129 NACO PERRIN BLVD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782172505",
            "telephone_number": "210-722-8106",
            "fax_number": "210-275-0080"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THAYIL",
        "first_name": "JOSEPH",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-19",
        "last_updated": "2025-04-22",
        "certification_date": "2025-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "TX",
            "license": "M2153",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "M2153",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• David K Tharakan, M.D.
• Dimple Tharian, MD
• Jonnell Tharrington
• Melissa Rose Thayer, OTR, MOT
• Sarah Diane Thayer, M.S.
• THCS Pharmacy LLC (THCS Infusion Pharmacy)
• The Alice Group Inc (Central Chiropractic)
• The Arc of San Antonio
• The Arc of San Antonio
• The Backyard Said LLC (The BackYard)

• Geriatric Medicine (Internal Medicine) Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Geriatric Medicine (Internal Medicine) Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.