Zachari C O'Neill, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA227357 Issued in OR

Practice address

9427 SW Barnes Rd Ste 495
Portland, OR 97225-6612

Phone

(503) 962-1000

NPI assigned

Aug 31, 2022

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 NV, OR2 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

Oregon Health Sciences University School of Medicine, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Community Care Services LLCGroup PAC ID 1951324318, 630 clinicians

Providence Health and Services OregonGroup PAC ID 0648183608, 1,423 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Renown Regional Medical Center Hospital, Reno, NV, CCN 290001
• Providence St Vincent Medical Center Hospital, Portland, OR, CCN 380004
• Renown South Meadows Medical Center Hospital, Reno, NV, CCN 290049

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: zoneill134440@direct.renown.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.

• Providence Health & Services Oregon

  • General Practice Physician
  • Lake Oswego, OR
  • NPI 1023488343
  Medicare reassignment Care Compare group NPD
• Community Care Services LLC

  • Internal Medicine Physician
  • Reno, NV
  • NPI 1720031768
  Medicare reassignment Care Compare group
• Providence Health & Services Oregon

  • Pediatric Endocrinology Physician
  • Portland, OR
  • NPI 1457759318
  NPD
• Providence Health & Services Oregon

  • Psychiatry Physician
  • Portland, OR
  • NPI 1760177737
  NPD
• Community Care Services LLC

  • Diagnostic Radiology Physician
  • Reno, NV
  • NPI 1053272989
  NPD
• Community Care Services LLC

  • Infectious Disease Physician
  • Reno, NV
  • NPI 1699246215
  NPD
• Providence Health & Services - Oregon

  • Internal Medicine Physician
  • Sherwood, OR
  • NPI 1184729329
  NPD (past)

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

• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1114015971
  Care Compare affiliation
• Renown Regional Medical Center

  • General Acute Care Hospital
  • Reno, NV
  • NPI 1124098421
  Care Compare affiliation
• Renown Regional Medical Center

  • General Acute Care Hospital
  • Sparks, NV
  • NPI 1932517299
  Care Compare affiliation
• Renown South Meadows Medical Center

  • General Acute Care Hospital
  • Reno, NV
  • NPI 1720058027
  Care Compare affiliation

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

{
    "created_epoch": "1661904000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1649990409",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9427 SW BARNES RD STE 495",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972256612"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9427 SW BARNES RD STE 495",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972256612",
            "telephone_number": "503-962-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEILL",
        "first_name": "ZACHARI",
        "middle_name": "C",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-08-31",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NV",
            "license": "PA3085",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "OR",
            "license": "PA227357",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erin Kathleen O'Neill, LMT
• Megan Ann O'Neill
• Molly Hayman O'Neill, ND, L.AC
• Oisin Ruadri O'Neill, MD
• Timothy O'Neill, EMT
• Sarah Catalin O'Reilly-Harbidge, MD
• Erin M O'Reilly, MSW
• Margaret Mary O'Reilly, MD
• Dineen O'Rourke
• Elizabeth Niemitz O'Rourke, M.A., L.P.C.

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 2, 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.