Marlencia Jean Williams, LICSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

LW61599046 Issued in WA

Practice address

15455 65TH Ave S
Tukwila, WA 98188-2534

Phone

(206) 721-5170

Fax

(360) 353-9440

NPI assigned

Mar 25, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Marlencia Williams Professional name

Medicare fee-for-service enrollment

Enrolled in TX

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 1

Medicare enrollment (NPD)

Enrolled

State licenses

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 and National Provider Directory roles.

• Cowlitz Indian Tribe

  • Clinic/Center
  • Longview, WA
  • NPI 1740562909

  TX

  Medicare reassignment NPD
• Cowlitz Indian Tribe

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Vancouver, WA
  • NPI 1538412630
  NPD
• Cowlitz Indian Tribe

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Vancouver, WA
  • NPI 1164649679
  NPD (past)
• Cowlitz Indian Tribe

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Longview, WA
  • NPI 1528285038
  NPD (past)
• Cowlitz Indian Tribe

  • Public Health & General Preventive Medicine Physician
  • Longview, WA
  • NPI 1619194123
  NPD (past)
• Cowlitz Indian Tribe

  • General Practice Physician
  • Longview, WA
  • NPI 1851328447
  NPD (past)
• Cowlitz Indian Tribe

  • Public Health & General Preventive Medicine Physician
  • Vancouver, WA
  • NPI 1972962165
  NPD (past)

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

{
    "created_epoch": "1648166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750204800000",
    "number": "1215687934",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2429",
            "city": "LONGVIEW",
            "state": "WA",
            "postal_code": "986328486",
            "telephone_number": "360-353-9494",
            "fax_number": "360-353-9440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15455 65TH AVE S",
            "city": "TUKWILA",
            "state": "WA",
            "postal_code": "981882534",
            "telephone_number": "206-721-5170",
            "fax_number": "360-353-9440"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "419 S 2nd St Ste 2",
            "address_purpose": "LOCATION",
            "city": "Renton",
            "state": "WA",
            "postal_code": "980572234",
            "country_code": "US",
            "telephone_number": "206-305-5581",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MARLENCIA",
        "middle_name": "JEAN",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-25",
        "last_updated": "2025-06-18",
        "certification_date": "2025-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "WA",
            "license": "SC61213994",
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "WA",
            "license": "SC61213994",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WA",
            "license": "LW61599046",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARLENCIA",
            "last_name": "WILLIAMS",
            "credential": "LICSW",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Helen Williams, PTA
• Jeanette Marie Williams
• Kaliandra Williams
• Kelli Monique Williams, PMHNP
• Laticia Rena Williams
• Ramani Willis
• Joanna Wilner
• Jack Wilske
• Ciji Wilson
• Samantha Lynn Wilson

• Clinical Social Worker in Tukwila, WA
• Providers in Tukwila, WA by specialty
• Clinical Social Worker in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.