OREGON ANESTHESIOLOGY GROUP PC
NPI 1477527786
Anesthesiology in Portland, OR

Active since February 14, 2006
707 SW WASHINGTON ST, SUITE 700, PORTLAND, OR 97205(503) 299-9906(503) 225-9002 Get Directions Write a Review

NPPES record last updated: October 27, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 18, 2019, Jan 10, 2017, Nov 22, 2016 (3 updates tracked since 2016).

About Oregon Anesthesiology Group Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OREGON ANESTHESIOLOGY GROUP PC (NPI 1477527786) is a healthcare organization registered as an anesthesiology in Portland, Oregon and active in the NPI registry since February 2006. The organization lists Lorissa Addabbo, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1477527786
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameOREGON ANESTHESIOLOGY GROUP PC
Location Address707 SW WASHINGTON ST, SUITE 700Portland, OR 97205-3536
Mailing AddressPo Box 35147, #1801Portland, OR 98124-5147 · (503) 299-9906 · Fax (503) 225-9002
Fax(503) 225-9002
Organization SubpartNo
Authorized OfficialLorissa AddabboChief Executive Officer · (503) 299-9906
Enumeration DateFebruary 14, 2006
Last NPPES UpdateOctober 27, 20253 updates tracked since enumeration
NPPES CertifiedOctober 27, 2025
✔ NPI 1477527786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Addiction MedicineTaxonomy 207LA0401X
Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X
Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X
707 SW WASHINGTON ST, Portland, OR 97205

Other Identifiers 7

Medicaid1477527786MT
Medicaid4174372 00MD
OtherCS6612OR · Rr Medicare
Medicaid7301542WA
Medicaid200892280IN
Medicaid054544OR
Medicaid1477527786ID

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oregon Anesthesiology Group Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

405

Medicare enrollment records show 405 clinicians reassign Medicare billing to Oregon Anesthesiology Group PC, which bills Medicare for the services they deliver. Of these, 171 practice at this address and 252 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Anesthesiology332
Certified Registered Nurse Anesthetist (CRNA)63
Anesthesiology Assistant8
Pain Management2

Nearest to this location (20)

See all 405
Anesthesiology
NPI 1538747027
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1477027845
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1740461409
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1689843195
707 SW WASHINGTON ST
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1386273563
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1245618701
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1821677303
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1245869072
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1922591296
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology Assistant
NPI 1649618166
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Anesthesiology Assistant
NPI 1194296061
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Anesthesiology Assistant
NPI 1225226913
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1538930839
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Anesthesiology Assistant
NPI 1922531755
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Anesthesiology Assistant
NPI 1669064598
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1558647727
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Anesthesiology Assistant
NPI 1134611221
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1790467868
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
Pain Management
NPI 1316951858
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ PECOSSame address
Anesthesiology Assistant
NPI 1417694381
707 SW WASHINGTON ST STE 700
Portland, OR 97205
(503) 299-9906
✔ Accepts MedicareSame address
See all 405 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oregon Anesthesiology Group PC's NPI number?

The NPI number for Oregon Anesthesiology Group PC is 1477527786. It was assigned to this organization in the NPPES registry on February 14, 2006.

Where is Oregon Anesthesiology Group PC located?

Oregon Anesthesiology Group PC is located at 707 SW Washington St Suite 700, Portland, OR 97205. The listed phone number is (503) 299-9906.

What is Oregon Anesthesiology Group PC's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Oregon Anesthesiology Group PC enrolled in Medicare?

Yes. Oregon Anesthesiology Group PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oregon Anesthesiology Group PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 405 clinicians in 4 Medicare specialties reassign their Medicare billing to Oregon Anesthesiology Group PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Anesthesiology (332), Certified Registered Nurse Anesthetist (CRNA) (63) and Anesthesiology Assistant (8). Of these, 171 practice at this address and 252 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Oregon Anesthesiology Group PC accept?

Health plans from Moda Health Plan, Inc. list Oregon Anesthesiology Group PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Oregon Anesthesiology Group PC was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.