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

DR. HAL COOPER QUINN MD
NPI 1144285388
Pediatrics in Mercer Island, WA

Q: What is Hal Quinn's NPI number?

The NPI number for Hal Quinn is 1144285388. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Q: What is Hal Quinn's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Hal Quinn was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.

Active since April 19, 2006

2553 76TH AVE SE, MERCER ISLAND, WA 98040(206) 275-2122 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Hal Cooper Quinn Md NPPES

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

DR. HAL COOPER QUINN MD (NPI 1144285388) is an individual pediatrics provider in Mercer Island, Washington, licensed in Washington (21790) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1144285388

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. HAL COOPER QUINNCredential: MD

Location Address2553 76TH AVE SEMercer Island, WA 98040-2758

Mailing Address2553 76th Ave SeMercer Island, WA 98040-2758 · (206) 275-2122

Phone(206) 275-2122

Sole ProprietorNo

Enumeration DateApril 19, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1144285388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in WA · 21790

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

2553 76TH AVE SE, Mercer Island, WA 98040

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Other Identifiers 1

Medicaid1012764WA

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.

MERCER ISLAND PEDIATRIC ASSOCIATES

Pediatrics

2553 76TH AVE SE
MERCER ISLAND, WA 98040

King County (206) 275-2122

DR. DANETTE SWANSON GLASSY MD

Pediatrics (Adolescent Medicine)

2553 76TH AVE SE
MERCER ISLAND, WA 98040

King County (206) 275-2122

DR. JOHN GERARD SCHREUDER MD

Pediatrics

2553 76TH AVE SE
MERCER ISLAND, WA 98040

King County (206) 275-2122

DR. THEODORE DUNGAN MANDELKORN MD

Pediatrics (Developmental - Behavioral Pediatrics)

2553 76TH AVE SE
MERCER ISLAND, WA 98040

King County (206) 275-0702

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 Hal Quinn's NPI number?

The NPI number for Hal Quinn is 1144285388. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Hal Quinn located?

Hal Quinn practices at 2553 76th Ave SE, Mercer Island, WA 98040. The listed phone number is (206) 275-2122.

What is Hal Quinn's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Hal Quinn was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.