Gregory Williams, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

R0812 Issued in TX

Practice address

5734 Spohn Dr Ste 110
Corpus Christi, TX 78414-4116

Phone

(903) 957-0082

Fax

(903) 957-0351

NPI assigned

Apr 16, 2007

Last updated

May 8, 2026By 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

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

Psychiatry

Education

Uniformed Services Uhs Fe Hebert School of Med, 2005

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Progressive Behavioral Health, PLLCGroup PAC ID 4486794906, 366 clinicians

DFW Physicians Medical Associates LLCGroup PAC ID 8820493000, 14 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: pbh.gregorywilliams@136732.advancedmd-direct.com

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.

• DFW Physicians Medical Associates LLC

  dba Dfwpma

  • Internal Medicine Physician
  • Sherman, TX
  • NPI 1376014076
  Medicare reassignment Care Compare group NPD
• Progressive Behavioral Health, PLLC

  dba LifeStance Health

  • Mental Health Counselor
  • Friendswood, TX
  • NPI 1659567238
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1176681600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778198400000",
    "number": "1891910659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "425 N HIGHLAND AVE STE 260",
            "city": "SHERMAN",
            "state": "TX",
            "postal_code": "750927377",
            "telephone_number": "903-957-0082",
            "fax_number": "903-957-0351"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5734 SPOHN DR STE 110",
            "city": "CORPUS CHRISTI",
            "state": "TX",
            "postal_code": "784144116",
            "telephone_number": "903-957-0082",
            "fax_number": "903-957-0351"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "151 Stagecoach Trl Ste 220",
            "address_purpose": "LOCATION",
            "city": "San Marcos",
            "state": "TX",
            "postal_code": "786663863",
            "country_code": "US",
            "telephone_number": "844-824-8775",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-16",
        "last_updated": "2026-05-08",
        "certification_date": "2026-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "R0812",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Claude R. Williams Jr., D.D.S.
• Collin Williams
• Coty Michele Williams, LVN
• Debralee Williams
• Elizabeth Williams
• Harry Don Williams, LMSW, LCDC
• Jennifer Lynn Williams
• Jeremiah Jeff Williams, NP
• Josephine W. Williams
• Kristen Nicole Williams

• Psychiatry Physician in Corpus Christi, TX
• Providers in Corpus Christi, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 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.