Individual provider Active NPI

Mallory Williams, LMSW

  • Clinical Social Worker
  • Houston, TX
National Provider Identifier
1861064396
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
21805 Issued in OK
Practice address
15150 Bellaire Blvd
Houston, TX 77083-3100
Phone
(918) 640-9871
NPI assigned
Jul 14, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 21805 OK Primary

Addresses

Primary practice location

15150 Bellaire Blvd
Houston, TX 77083-3100

Mailing address

3721 N Garrison Ave
Tulsa, OK 74106-1519
Phone (918) 734-0970

Other identifiers 1

IdentifierTypeStateIssuer
831054839MedicaidOK

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, OK2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20251122001521 TX Practitioner - Clinical Social Worker 8921590373 Reassigns benefits to 2 organizations
I20260522000289 OK Practitioner - Clinical Social Worker 8921590373 Reassigns benefits to 1 organization
Practice locations: Tulsa, OK

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2018
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

3333 Weslayan St
Apt 1216
Houston, TX 77027-6369

3721 N Garrison Ave
Tulsa, OK 74106-1519
Phone (918) 640-9871

5741 Belding Dr
Suite B
El Paso, TX 79925-3302

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
69201TXMDProfessional Counselor
21805OKMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Welcome to Healthrow LLC Clinical CurrentSince Nov 9, 2025 Accepting new patients
Harmony Road Recovery LLC Social Worker CurrentSince Nov 1, 2025 Accepting new patients

Locations

5741 Belding Dr
Ste B
El Paso, TX 79925
Phone (915) 271-8971

813 N Kansas St
Ste 200
El Paso, TX 79902
Phone (915) 271-8971

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1626220800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1861064396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3721 N GARRISON AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741061519",
            "telephone_number": "918-734-0970"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15150 BELLAIRE BLVD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770833100",
            "telephone_number": "918-640-9871"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MALLORY",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-07-14",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "OK",
            "license": "21805",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "831054839",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.