Kristien Marie Sima, PAC

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

License

PA01025 Issued in OR

Practice address

10180 SE Sunnyside Rd
Clackamas, OR 97015-8970

Phone

(800) 813-2000

NPI assigned

Aug 24, 2005

Last updated

Jan 26, 2026By the provider in NPPES

Sex

Female

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 OR, WA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Physician Assistant

Education

Other, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kaiser Foundation Health Plan of the NorthwestGroup PAC ID 5799688230, 1,805 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kaiser Sunnyside Medical Center Hospital, Clackamas, OR, CCN 380091

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1184786527

  WA

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

  • Clinic/Center
  • Hillsboro, OR
  • NPI 1942718622
  NPD
• The Oregon Clinic PC

  • Specialist
  • Portland, OR
  • NPI 1265417174
  NPD (past)
• The Oregon Clinic, PC

  • Durable Medical Equipment & Medical Supplies
  • Portland, OR
  • NPI 1346105129
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Kaiser Foundation Hospitals

  dba Kaiser Sunnyside Medical Center

  • General Acute Care Hospital
  • Clackamas, OR
  • NPI 1124182902
  Care Compare affiliation

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

{
    "created_epoch": "1124841600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1336132471",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 100",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322031",
            "telephone_number": "800-813-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10180 SE SUNNYSIDE RD",
            "city": "CLACKAMAS",
            "state": "OR",
            "postal_code": "970158970",
            "telephone_number": "800-813-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2222 NW Lovejoy St",
            "address_2": "Suite 315",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972103033",
            "country_code": "US",
            "telephone_number": "503-226-6321",
            "fax_number": "503-227-3422",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMA",
        "first_name": "KRISTIEN",
        "middle_name": "MARIE",
        "credential": "PAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-08-24",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "OR",
            "license": "PA01025",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "WA",
            "license": "PA10004870",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8502510",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Michael G Short, B.S., C-PED
• Sarah Shubert
• Jeffrey Lawrence Shuster, M.D.
• David Allen Siegel, MD
• Bernadette M Silva, OD
• Taylor Simonds, THERAPIST INTERN
• Matthew F. Simons, M.D.
• Mackenna Marie Simpson, PA-C
• Silvia Daina Sims, MD
• Malini Singh, DO

• Surgical Physician Assistant in Clackamas, OR
• Providers in Clackamas, OR by specialty
• Surgical Physician Assistant in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 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.