Arrash Allahyar

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

MD221755 Issued in OR

Practice address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3098

Phone

(503) 494-8211

NPI assigned

May 11, 2020

Last updated

Aug 8, 2025By 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

Medicare fee-for-service enrollment

Enrolled in OR, WA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Psychiatry

Education

University of Oklahoma College of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cascadia HealthGroup PAC ID 7618873761, 53 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Cascadia Health

  dba Cascadia Behavioral Healthcare, Inc.

  • Multi-Specialty Clinic/Center
  • Portland, OR
  • NPI 1336196401

  Psychiatry

  Medicare reassignment Care Compare group NPD
• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1184786527

  WA

  Medicare reassignment NPD
• Cascadia Health

  dba Cascadia Behavioral Healthcare, Inc.

  • Primary Care Clinic/Center
  • Portland, OR
  • NPI 1144722935
  NPD
• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1871848457
  NPD
• Kaiser Foundation Health Plan of the Northwest

  • Clinic/Center
  • Hillsboro, OR
  • NPI 1942718622
  NPD

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

{
    "created_epoch": "1589155200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754611200000",
    "number": "1295357457",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393098",
            "telephone_number": "503-494-8211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393098",
            "telephone_number": "503-494-8211"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10180 SE Sunnyside Rd",
            "address_purpose": "LOCATION",
            "city": "Clackamas",
            "state": "OR",
            "postal_code": "970158970",
            "country_code": "US",
            "telephone_number": "503-571-0860",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALLAHYAR",
        "first_name": "ARRASH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-11",
        "last_updated": "2025-08-08",
        "certification_date": "2025-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "OR",
            "license": "MD221755",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Michael Dean Allain, MD
• Eva Allard
• Joseph Nicholas Allard, QMHA
• Kimberly Anne Allard, CNM
• Caitlin Allaway, PSYD

• Psychiatry Physician in Portland, OR
• Providers in Portland, OR by specialty
• Psychiatry Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 8, 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.