Hal Cooper Quinn, MD
Pediatrics Physician · Mercer Island, WA
Hal Cooper Quinn, MD is a pediatrics physician with a practice address in Mercer Island, Washington, and NPI 1144285388, issued on Apr 19, 2006. Check the license (Washington 21790, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Hal Cooper Quinn
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 21790 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2553 76TH Ave SE, Mercer Island, WA 98040
- Phone
- (206) 275-2122
- Enumerated
- Apr 19, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 1012764 WA
- Entity
- Type 1 · individual
Also registered at 2553 76TH Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danette Glassy, MDPediatric Adolescent Medicine Physician1588772511
- Theodore Mandelkorn, MDDevelopmental - Behavioral Pediatrics Physician1922167220
- John Schreuder, MDPediatrics Physician1902877103
Verify Hal Cooper Quinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 21790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9 pediatrics physician records list a practice address in Mercer Island
They are 9 of the 331 NPPES records with a practice address in Mercer Island, and 1,753 pediatrics physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9 in Mercer Island → All 1,753 in Washington → Every provider in Mercer Island →
Other pediatrics physician records in Washington
- Rebecca Abaddi, DNPPuyallup, WA1538890900
- Bruce Abbotts, MDSpokane Valley, WA1215095856
- Ibrahim Abdulrahman, MDKennewick, WA1801081948
- Nancy Abell, M.D.Longview, WA1861447757
- Samuel AbernathySeattle, WA1912392168
- Hanaa Abou Ouf, M.D.Tacoma, WA1548476153
- Senait AbrahamSeattle, WA1033287974
- Seja AbudiabSeattle, WA1285166173
- Jennifer Achilles, MDSeattle, WA1891965133
- Diane Ack, MDBellevue, WA1871664623
Common questions
What is Hal Cooper Quinn, MD's NPI number?
Hal Cooper Quinn, MD's National Provider Identifier (NPI) is 1144285388, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hal Cooper Quinn, MD located?
The NPPES record lists a practice address at 2553 76TH Ave SE, Mercer Island, WA, 98040. Phone: (206) 275-2122. Providers update this record themselves, so call before visiting.
How can I verify Hal Cooper Quinn, MD's license?
NPPES lists Washington license number 21790, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.