Mark W Clark, PSY.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

PY2226 Issued in WA

Practice address

7507 NE 51St St
Vancouver, WA 98662-6007

Phone

(360) 906-1190

Fax

(360) 906-1193

NPI assigned

Dec 20, 2006

Last updated

Mar 13, 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 2

Addresses

Other identifiers 1

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

Clinical Psychologist

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Western Psychological and Counseling Services LLCGroup PAC ID 7719975085, 331 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lifestancehealth.markclark@148835.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.

• Western Psychological and Counseling Services LLC

  dba LifeStance Health

  • Clinical Psychologist
  • Vancouver, WA
  • NPI 1629345731
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1166572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773360000000",
    "number": "1114081577",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 82819",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972820819",
            "telephone_number": "503-233-5405",
            "fax_number": "503-233-2696"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7507 NE 51ST ST",
            "city": "VANCOUVER",
            "state": "WA",
            "postal_code": "986626007",
            "telephone_number": "360-906-1190",
            "fax_number": "360-906-1193"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLARK",
        "first_name": "MARK",
        "middle_name": "W",
        "credential": "PSY.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-20",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "WA",
            "license": "PY2226",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "WA",
            "license": "PY2226",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "164936",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julie A. Clark, BSN, RN
• Kathryn Clark, AAC
• Katie Clark
• Laura Marie Clark, MSW, MA
• Laurel Megan Clark, LMT
• Misty Noel Clark, RN
• Nicolas Clark, CBT70128252
• Richard Clark
• Robert Lee Clark, MS
• Shelley Lynn Clark, LICSW

• Psychologist in Vancouver, WA
• Providers in Vancouver, WA by specialty
• Psychologist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 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.