Thomas Dennis Geary, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

22857 Issued in TX

Practice address

17115 Red Oak Dr
Ste 109
Houston, TX 77090-2641

Phone

(281) 893-4111

Fax

(281) 893-8082

NPI assigned

Sep 6, 2005

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

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.

• Red Oak Psychiatry Associates, P.a.

  • Specialist
  • Houston, TX
  • NPI 1093890915
  NPD (past)
• Redoak Psychiatry

  • Psychiatric/Mental Health Nurse Practitioner
  • Houston, TX
  • NPI 1720431927
  NPD (past)

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

{
    "created_epoch": "1125964800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1689668774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17115 RED OAK DR",
            "address_2": "STE 109",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770902641",
            "telephone_number": "281-893-4111",
            "fax_number": "281-893-8082"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17115 RED OAK DR",
            "address_2": "STE 109",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770902641",
            "telephone_number": "281-893-4111",
            "fax_number": "281-893-8082"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEARY",
        "first_name": "THOMAS",
        "middle_name": "DENNIS",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "TX",
            "license": "22857",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Yimin Ge, MD
• Michael Kevin Gealt, PT
• Daniel J Gealy, MD
• Angela Gearing, SPEECH THERAPIST
• E Jeanneatte Geary, NNP
• Roxanne Renee Geaslen, M.ED.
• Nour Yassir Gebara, MD
• Simon Gebara, M.D.
• Gregg Charles Gebetsberger, CRNA
• Brandi Gebhardt, CNP, PMHNP-BC

• Psychologist in Houston, TX
• Providers in Houston, TX by specialty
• Psychologist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.