ALLISON ELIZABETH KOS PA-C
NPI 1235121542
Physician Assistant - Surgical in Portland, OR

Q: What is Allison Kos's NPI number?

The NPI number for Allison Kos is 1235121542. It was assigned to this individual provider in the NPPES registry on August 22, 2005. The provider is also known as Allison Elizabeth Reed Pac.

Q: What is Allison Kos's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Allison Kos was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since August 22, 2005PECOS EnrolledAccepts Medicare Assignment

84.64/100

CMS Quality Rating

10000 SE MAIN ST STE 365, PORTLAND, OR 97216(503) 261-4430(503) 261-4436 Get Directions Write a Review

NPPES record last updated: October 6, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 6, 2025, Mar 7, 2025 (2 updates tracked since 2025).

On this page

About Allison Elizabeth Kos Pa-c NPPES

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

ALLISON ELIZABETH KOS PA-C (NPI 1235121542) is an individual surgical provider in Portland, Oregon, licensed in Oregon (PA00857) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Adventist Health Portland, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1235121542

Entity TypeIndividualFemale

Primary Taxonomy363AS0400X

Provider Legal NameALLISON ELIZABETH KOSCredential: PA-C

Location Address10000 SE MAIN ST STE 365Portland, OR 97216-2474

Mailing Address10000 Se Main St Ste 365Portland, OR 97216-2474 · (503) 261-4430 · Fax (503) 261-4436

Phone(503) 261-4430

Fax(503) 261-4436

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateAugust 22, 2005

Last NPPES UpdateOctober 6, 20252 updates tracked since enumeration

NPPES CertifiedOctober 6, 2025

✔ NPI 1235121542 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

Licenses✔ Licensed in OR · PA00857✔ Licensed in WA · PA10004422

10000 SE MAIN ST STE 365, Portland, OR 97216

Open in Google Maps ↗

Other Names 1

Former Name (1)Allison Elizabeth Reed Pac

Other Identifiers 1

Medicaid235820OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Allison Elizabeth Kos Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193708782

PECOS Enrollment IDI20040614000031, I20051011000677

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventist Health Portland

Acute Care Hospitals · Portland, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380060

Location10123 SE Market StreetPortland, OR 97216 · Multnomah County

Emergency services Birthing friendly

Peacehealth Southwest Medical Center

Acute Care Hospitals · Vancouver, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500050

Location400 NE Mother Joseph PlaceVancouver, WA 98668 · Clark County

Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.64/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

80.94

Promoting Interoperability

100

Improvement Activities

Cost

62.46

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MACKENZIE ANNE MCCROREY PA-C

Physician Assistant (Surgical)

10000 SE MAIN ST STE 365
PORTLAND, OR 97216

Multnomah County (503) 261-4430

AMANDA S HANSEN PA-C

Physician Assistant

10000 SE MAIN ST STE 365
PORTLAND, OR 97216

Multnomah County (503) 261-4430

JESSICA CLAIRE HOOVER PA

Physician Assistant

10000 SE MAIN ST STE 365
PORTLAND, OR 97216

Multnomah County (503) 261-4430

MR. ANDREW SHIELDS BROWN PA-C

Physician Assistant (Surgical)

10000 SE MAIN ST STE 365
PORTLAND, OR 97216

Multnomah County (503) 261-4430

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 Allison Kos's NPI number?

The NPI number for Allison Kos is 1235121542. It was assigned to this individual provider in the NPPES registry on August 22, 2005. The provider is also known as Allison Elizabeth Reed Pac.

Where is Allison Kos located?

Allison Kos practices at 10000 SE Main St Ste 365, Portland, OR 97216. The listed phone number is (503) 261-4430.

What is Allison Kos's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Allison Kos enrolled in Medicare?

Yes. Allison Kos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Allison Kos accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Allison Kos 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.

Is Allison Kos affiliated with any hospitals?

According to CMS data, Allison Kos is affiliated with Adventist Health Portland and Peacehealth Southwest Medical Center.

When was this NPI record last updated?

The NPPES record for Allison Kos was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.