Stephen L. Williams, LPC, LADC

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

158 Issued in OK

Practice address

400 E Wyandotte Ave
McAlester, OK 74501-5464

Phone

(918) 420-5238

Fax

(918) 420-5717

NPI assigned

Jun 6, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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.

• Professional Counseling and Consulting Services, P.C.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • McAlester, OK
  • NPI 1134116973
  NPD (past)

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

{
    "created_epoch": "1149552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1730129289",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6051 ROCKY RIDGE RD",
            "city": "MCALESTER",
            "state": "OK",
            "postal_code": "745018048",
            "telephone_number": "918-420-5238",
            "fax_number": "918-420-5717"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 E WYANDOTTE AVE",
            "city": "MCALESTER",
            "state": "OK",
            "postal_code": "745015464",
            "telephone_number": "918-420-5238",
            "fax_number": "918-420-5717"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "STEPHEN",
        "middle_name": "L.",
        "credential": "LPC, LADC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "OK",
            "license": "158",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "OK",
            "license": "2275",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cassandra B Williams
• Karen Williams
• Patricia Faye Williams, SCHOOL PSYCHOMESTRIS
• Scott Aulton Williams, CADC CANDIDATE
• Stephanie Williams
• Tara Lynne Williams, M.ED.
• Tommy Williams
• Mickie Jo Williamson, LPN
• Sue Williamson
• Martha Ann Willmon, R.N.

• Addiction (Substance Use Disorder) Counselor in McAlester, OK
• Providers in McAlester, OK by specialty
• Addiction (Substance Use Disorder) Counselor in Oklahoma

• 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.