MATTHEW BLAIR DELLINGER M.D.
NPI 1356632939
Surgery - Pediatric Surgery in Seattle, WA

Active since April 29, 2011PECOS Enrolled
1595 NE PACIFIC ST., SEATTLE, WA 98195(206) 520-5000 Get Directions Write a Review

NPPES record last updated: August 26, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Matthew Blair Dellinger M.d. NPPES

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

MATTHEW BLAIR DELLINGER M.D. (NPI 1356632939) is an individual pediatric surgery provider in Seattle, Washington, licensed in Washington (MD60661651) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356632939
Entity TypeIndividualMale
Primary Taxonomy2086S0120X
Provider Legal NameMATTHEW BLAIR DELLINGERCredential: M.D.
Location Address1595 NE PACIFIC ST.Seattle, WA 98195-0001
Mailing AddressPo Box 50095Seattle, WA 98145-5095
Sole ProprietorNo
Enumeration DateApril 29, 2011
Last NPPES UpdateAugust 26, 2021
NPPES CertifiedAugust 26, 2021
✔ NPI 1356632939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
License✔ Licensed in WA · MD60661651
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
Also ListedPediatrics · Pediatric Infectious DiseasesTaxonomy 2080P0208X · License MD61089899 (WA)
1595 NE PACIFIC ST., Seattle, WA 98195

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Blair Dellinger M.d. 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 Matthew Dellinger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
4500 SAND POINT WAY NE
Seattle, WA 98105
  • Reassigned Medicare billing, Washington enrollment
  • 1,443 clinicians in this Medicare group
Anesthesiology
701 5TH AVE, SUITE 700
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 4,364 clinicians in this Medicare group

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 2

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

Family Medicine (Sports Medicine)
1595 NE PACIFIC ST.
SEATTLE, WA 98195
Nurse Practitioner (Family)
1595 NE PACIFIC ST.
SEATTLE, WA 98195

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 Matthew Dellinger's NPI number?

The NPI number for Matthew Dellinger is 1356632939. It was assigned to this individual provider in the NPPES registry on April 29, 2011.

Where is Matthew Dellinger located?

Matthew Dellinger practices at 1595 NE Pacific St., Seattle, WA 98195. The listed phone number is (206) 520-5000.

What is Matthew Dellinger's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Matthew Dellinger enrolled in Medicare?

Yes. Matthew Dellinger is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Dellinger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Dellinger reassigns Medicare benefits to 2 organizations: The Association Of Chrmc And University Physicians (Seattle, WA) and The Association Of University Physicians (Seattle, WA). 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 Matthew Dellinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Dellinger accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Matthew Dellinger 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 Matthew Dellinger was last updated on August 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.