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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MULTNOMAH COUNTY
NPI 1336287416
Clinic/Center - Federally Qualified Health Center (FQHC) in Portland, OR

Active since February 02, 2007
426 SW STARK ST, 5TH FLOOR, PORTLAND, OR 97204(503) 988-7462(503) 988-3015 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 28, 2026, May 18, 2024, Mar 19, 2019 and 1 more (4 updates tracked since 2017).

About Multnomah County NPPES

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

MULTNOMAH COUNTY (NPI 1336287416), doing business as Multnomah County Health Dept, Westside, is a healthcare organization registered as a federally qualified health center (fqhc) in Portland, Oregon and active in the NPI registry since February 2007. The organization lists Antoinette Payne, Business Services Director, as its authorized official.

NPPES Registry Identity

NPI1336287416
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameMULTNOMAH COUNTY
Location Address426 SW STARK ST, 5TH FLOORPortland, OR 97204-2347
Mailing Address619 Nw 6th Ave Ste 500Portland, OR 97209-3964 · (503) 988-7468 · Fax (503) 988-3015
Phone(503) 988-7462
Fax(503) 988-3015
Organization SubpartNo
Authorized OfficialAntoinette PayneBusiness Services Director · (971) 325-6412
Enumeration DateFebruary 2, 2007
Last NPPES UpdateAugust 28, 20264 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
✔ NPI 1336287416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Taxonomy Code261QF0400X
Also ListedClinic/Center · Public Health, State or LocalTaxonomy 261QP0905X
426 SW STARK ST, Portland, OR 97204
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Other Names 1

Doing Business AsMultnomah County Health Dept, Westside

Other Identifiers 2

Medicaid022959OR
Medicaid093511OR

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Multnomah County is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

215

Medicare enrollment records show 215 clinicians reassign Medicare billing to Multnomah County, which bills Medicare for the services they deliver. Of these, 9 practice at this address and 145 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 13

Nurse Practitioner108
Family Practice53
Clinical Social Worker19
Internal Medicine12
Pediatric Medicine7
Mental Health Counselor5
Certified Nurse Midwife (CNM)3
Clinical Psychologist2
5 other specialties6

Nearest to this location (20)

See all 215
Ceara Carder, MSW
Clinical Social Worker
NPI 1073655122
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOS✔ Accepts MedicareSame address
Deane De Fontes, MD
Family Practice
NPI 1114050754
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOS✔ Accepts MedicareSame address
Wayne Englander, MD
Internal Medicine
NPI 1114079472
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOSSame address
Lisa Sprague, MD
Obstetrics/Gynecology
NPI 1124170386
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOS✔ Accepts MedicareSame address
Rachel Dummigan, FNP
Nurse Practitioner
NPI 1629121959
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOSSame address
Peter Mahr, MD
Family Practice
NPI 1548312754
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOS✔ Accepts MedicareSame address
Anne Vetto, MD
Rheumatology
NPI 1962532499
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOS✔ Accepts MedicareSame address
Anne Daly, FNP
Nurse Practitioner
NPI 1033262365
426 SW STARK ST 8TH FLOOR
Portland, OR 97204
(503) 988-3674
✔ PECOSSame address
Aviel Forster
Clinical Social Worker
NPI 1255720181
426 SW STARK ST 5TH FLOOR
Portland, OR 97204
(503) 988-5020
✔ PECOS✔ Accepts MedicareSame address
Arvenelle Chambers, MSW, LCSW
Clinical Social Worker
NPI 1295899714
421 SW OAK ST SUITE 520
Portland, OR 97204
(503) 331-2438
✔ PECOS✔ Accepts Medicare0.1 mi
Pia Klamper, FNP
Nurse Practitioner
NPI 1467708800
421 SW OAK ST STE. 210
Portland, OR 97204
(503) 988-7468
✔ PECOS✔ Accepts Medicare0.1 mi
Qian Leng, MD
Internal Medicine
NPI 1154637015
421 SW OAK ST STE. 210
Portland, OR 97204
(503) 988-7468
✔ PECOS✔ Accepts Medicare0.1 mi
Mary Alvarez, MD
Family Practice
NPI 1619927944
601 SW 4TH AVE
Portland, OH 97204
(503) 342-2520
✔ PECOS0.1 mi
Norma Furlong, FNP
Nurse Practitioner
NPI 1528111721
421 SW OAK ST STE. 210
Portland, OR 97204
(503) 988-7468
✔ PECOS✔ Accepts Medicare0.1 mi
Amy Henninger, MD
Family Practice
NPI 1083629588
421 SW OAK ST
Portland, OR 97204
(503) 988-7458
✔ PECOS✔ Accepts Medicare0.1 mi
Amairali Blum, LCSW
Clinical Social Worker
NPI 1720644958
209 SW 4TH AVE STE 520
Portland, OR 97204
(971) 227-1644
✔ PECOS0.1 mi
Paul Denouden, MD
Internal Medicine
NPI 1962496885
619 NW 6TH AVE FL 3
Portland, OR 97209
(503) 988-5020
✔ PECOS✔ Accepts Medicare0.5 mi
Jennifer Vines, MD
Preventive Medicine
NPI 1598857153
619 NW 6TH AVE FL 4
Portland, OR 97209
(503) 988-5020
✔ PECOS0.5 mi
Renata Ackermann, PHD
Clinical Psychologist
NPI 1053453050
619 NW 6TH AVE
Portland, OR 97209
(503) 988-3700
✔ PECOS✔ Accepts Medicare0.5 mi
Leigh Hedrick, M.D.
Psychiatry
NPI 1801004353
619 SW 6TH AVE. 5TH FL
Portland, OR 97209
(503) 988-7468
✔ PECOS0.5 mi
See all 215 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 Multnomah County's NPI number?

The NPI number for Multnomah County is 1336287416. It was assigned to this organization in the NPPES registry on February 2, 2007. The provider is doing business as Multnomah County Health Dept, Westside.

Where is Multnomah County located?

Multnomah County is located at 426 SW Stark St 5th Floor, Portland, OR 97204. The listed phone number is (503) 988-7462.

What is Multnomah County's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Is Multnomah County enrolled in Medicare?

Yes. Multnomah County is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Multnomah County?

According to the CMS Revalidation Reassignment List (October 2026 release), 215 clinicians in 13 Medicare specialties reassign their Medicare billing to Multnomah County. 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 Nurse Practitioner (108), Family Practice (53) and Clinical Social Worker (19). Of these, 9 practice at this address and 145 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Multnomah County was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.