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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.

MARCELLA SHOOK MSW
NPI 1851756795
Social Worker in Portland, OR

Active since December 18, 2015PECOS Enrolled
4212 NE BROADWAY, PORTLAND, OR 97213(503) 249-8787 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, Jan 11, 2019, Dec 18, 2015 (3 updates tracked since 2015).

About Marcella Shook Msw NPPES

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

MARCELLA SHOOK MSW (NPI 1851756795) is an individual social worker in Portland, Oregon, licensed in Oregon (L13343) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851756795
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMARCELLA SHOOKCredential: MSW
Location Address4212 NE BROADWAYPortland, OR 97213-1422
Mailing Address541 Ne 20th AvePortland, OR 97232-2862 · (503) 963-2801 · Fax (503) 963-2825
Phone(503) 249-8787
Sole ProprietorYes
Enumeration DateDecember 18, 2015
Last NPPES UpdateAugust 28, 20263 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
✔ NPI 1851756795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in OR · L13343
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedCounselorTaxonomy 101Y00000X
4212 NE BROADWAY, Portland, OR 97213
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Other Names 1

Former Name (1)Marcella Starkey Msw

Other Identifiers 2

Medicaid500810186OR
Medicaid2394610WA

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marcella Shook Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Marcella Shook reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Broadway Medical Clinic LLP
Same address
Primary Care
4212 NE BROADWAY
Portland, OR 97213
  • Reassigned Medicare billing, Oregon enrollment
  • 20 clinicians in this Medicare group
NPI 1720082316 (503) 249-8787
The Oregon Clinic PC
1.4 mi
Specialist
541 NE 20TH AVE, SUITE 225
Portland, OR 97232
  • Reassigned Medicare billing, Oregon enrollment
  • 338 clinicians in this Medicare group
NPI 1265417174 (503) 963-2801

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

Other Providers at the Same Location NPPES 20

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

GEORGE W BENGTSON MD
Pediatrics
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787
MRS. MARJORIE J HRBEK MD
Internal Medicine
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787
DR. MEREDITH ELAINE GROVER MD
Pediatrics
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787
DR. TRACY HANSEN M.D.
Internal Medicine
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787
MS. JANIS L HOWATT MD
Internal Medicine
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787
JUNE M DESIMONE MD
Pediatrics
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787
DR. ANNE NGUYEN SKINNER DO
Family Medicine
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787
HILARY R BASCO MD
Pediatrics
4212 NE BROADWAY
PORTLAND, OR 97213
Multnomah County (503) 249-8787

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 Marcella Shook's NPI number?

The NPI number for Marcella Shook is 1851756795. It was assigned to this individual provider in the NPPES registry on December 18, 2015. The provider is also known as Marcella Starkey Msw.

Where is Marcella Shook located?

Marcella Shook practices at 4212 NE Broadway, Portland, OR 97213. The listed phone number is (503) 249-8787.

What is Marcella Shook's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Marcella Shook enrolled in Medicare?

Yes. Marcella Shook is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marcella Shook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcella Shook reassigns Medicare benefits to 2 organizations: Broadway Medical Clinic LLP (Portland, OR) and The Oregon Clinic PC (Portland, OR). Each 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 Marcella Shook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcella Shook accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Marcella Shook 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 Marcella Shook 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 57 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.