Oregon Anesthesiology Group PC

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

Legal business name

OREGON ANESTHESIOLOGY GROUP PC

Practice address

707 SW Washington St
Suite 700
Portland, OR 97205-3536

Phone

(503) 299-9906

Fax

(503) 225-9002

NPI assigned

Feb 14, 2006

Last updated

Oct 27, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Lorissa Addabbo

Title

Chief Executive Officer

Phone

(503) 299-9906

Specialties & licenses 4

Addresses

Other identifiers 7

Medicare fee-for-service enrollment

Enrolled in OR, WA2 enrollments

Enrollment records 2

Locations (25 of 26)

Practitioners 517

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Evan Hunter Alldredge, MD

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1194276931
  Medicare reassignment Care Compare group NPD
• Brent D. Andersen, MD

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1013981216
  Medicare reassignment Care Compare group NPD
• Jacob Anderson, M.D.

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1639533557

  WA

  Medicare reassignment Care Compare group NPD
• Methapan Arunakul, MD

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1578756789

  WA

  Medicare reassignment Care Compare group NPD
• Christopher Bailey, MD

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1407291289
  Medicare reassignment Care Compare group NPD
• Cassandra Barrett

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1194168690
  Medicare reassignment Care Compare group NPD
• Ryan P Beall, M.D.

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1386694081
  Medicare reassignment Care Compare group NPD
• Michael Barnard Berry, MD

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1578537577
  Medicare reassignment Care Compare group NPD
• Robert Alexander Bohanan

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1942443965
  Medicare reassignment Care Compare group NPD
• Erin Leigh Brown, MD

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1598923427
  Medicare reassignment Care Compare group NPD
• Ethan Tylar Burke, DO

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1538747027

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Mark D. Calkins, MD

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1396719001
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1139875200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1761523200000",
    "number": "1477527786",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35147",
            "address_2": "#1801",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "981245147",
            "telephone_number": "503-299-9906",
            "fax_number": "503-225-9002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 SW WASHINGTON ST",
            "address_2": "SUITE 700",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972053536",
            "telephone_number": "503-299-9906",
            "fax_number": "503-225-9002"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OREGON ANESTHESIOLOGY GROUP PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-02-14",
        "last_updated": "2025-10-27",
        "certification_date": "2025-10-27",
        "status": "A",
        "authorized_official_last_name": "ADDABBO",
        "authorized_official_first_name": "LORISSA",
        "authorized_official_title_or_position": "CHIEF EXECUTIVE OFFICER",
        "authorized_official_telephone_number": "503-299-9906"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207LA0401X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7301542",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "054544",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1477527786",
            "state": "MT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "CS6612",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1477527786",
            "state": "ID"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200892280",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4174372 00",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Celia Idalia Orduna, DOULA
• Emma Claire Ordway, PA-C
• Oregon Adult Medicine PC
• Oregon Adult Medicine PC (Oregon Adult Medicine Pharmacy)
• Oregon Anesthesia Associates LLC
• Oregon Artificial Limb Co.
• Oregon Autism Care LLC
• Oregon Behavioral Health Solutions, LLC
• Oregon Birth Center, LLC (Andaluz Birth Center, LLC)
• Oregon Birth Center, LLC (Andaluz Birth Center)

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.