Aaron Steuart Cosman, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

201408265NP-PP Issued in OR

Practice address

1111 NE 99TH Ave Ste 301
Portland, OR 97220-9442

Phone

(503) 963-2707

Fax

(503) 963-2802

NPI assigned

Jan 19, 2015

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 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OR

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 1

Specialty

Nurse Practitioner

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Oregon Clinic, PCGroup PAC ID 2860390408, 353 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: acosman505304@oc.providencedirect.org

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.

• The Oregon Clinic PC

  • Specialist
  • Portland, OR
  • NPI 1265417174
  Medicare reassignment Care Compare group NPD
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1003991845
  Medicare reassignment NPD
• Providence Health & Services - Oregon

  • Clinical Pathology Physician
  • Portland, OR
  • NPI 1740732650
  NPD
• Providence Health & Services Oregon

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Portland, OR
  • NPI 1396818993
  NPD
• The Oregon Clinic, PC

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

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

{
    "created_epoch": "1421625600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1538558242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "541 NE 20TH AVE STE 225",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322895",
            "telephone_number": "503-963-2801",
            "fax_number": "503-963-2825"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 NE 99TH AVE STE 301",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972209442",
            "telephone_number": "503-963-2707",
            "fax_number": "503-963-2802"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COSMAN",
        "first_name": "AARON",
        "middle_name": "STEUART",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-01-19",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OR",
            "license": "201408265NP-PP",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP60522742",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500681135",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2042037",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cc_otoc_gastro_east_front_desk_pool12223282@oc.providencedirect.org",
            "affiliation": "Y",
            "affiliationName": "The Oregon Clinic PC",
            "address_1": "1111 NE 99th Ave Ste 301",
            "city": "Portland",
            "state": "OR",
            "country_code": "US",
            "postal_code": "972209442",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Cynthia Diane Cory, LAC
• Sonja Hortence Corzano, LMT
• Andrea Cosby
• Carmen Cosby, CPM, LDM
• Sean P. Cosgriff, PHARM.D., BCOP
• Justine Cosman, PT, DPT
• Ryan L Costa Morrison
• Andrew Wellman Costa, DO
• Constance Lynn Costa, RN
• Landon James Costante, QMHA

• Family Nurse Practitioner in Portland, OR
• Providers in Portland, OR by specialty
• Family Nurse Practitioner in Oregon

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