Steven Mark Fenwick, PH.D, LMHC, CDP

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

CP00002215 Issued in WA

Practice address

222 Kenyon St NW Ste 14
Olympia, WA 98502-4553

Phone

(360) 867-1877

NPI assigned

Aug 29, 2006

Sex

Male

Sole proprietor

Yes

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

Enrolled in WA

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

Specialty

Mental Health Counselor

Education

Other, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

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.

• Donna Elam PLLC

  • Physician Assistant
  • Tumwater, WA
  • NPI 1336876747
  NPD (past)

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

{
    "created_epoch": "1156809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1790894483",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 11968",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985081968",
            "telephone_number": "360-867-1877"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "222 KENYON ST NW STE 14",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985024553",
            "telephone_number": "360-867-1877"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FENWICK",
        "first_name": "STEVEN",
        "middle_name": "MARK",
        "name_prefix": "Dr.",
        "credential": "PH.D, LMHC, CDP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-29",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WA",
            "license": "CP00002215",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WA",
            "license": "LH00005236",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Morgan Reed Bijou Felkey
• Megan Felling, CPM
• Casey Felt, LMT
• Luming Feng, DO
• David Fenstermaker, PH.D.
• April Marie Ferguson, M.D.
• Ashley Anne Ferguson, DPT
• Jill Ferguson, LP00030754
• Jody Lee Ferguson, LMHC
• Kyle Edward Ferguson, PH.D.

• Addiction (Substance Use Disorder) Counselor in Olympia, WA
• Providers in Olympia, WA by specialty
• Addiction (Substance Use Disorder) Counselor in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• 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.