Theodore Dungan Mandelkorn, MD
Developmental - Behavioral Pediatrics Physician · Mercer Island, WA
Theodore Dungan Mandelkorn, MD is a developmental - behavioral pediatrics physician with a practice address in Mercer Island, Washington, and NPI 1922167220, issued on Dec 6, 2006. Check the license (Washington MD00010762, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Theodore Dungan Mandelkorn
- Credential
- MD
- Primary taxonomy
- Developmental - Behavioral Pediatrics Physician 2080P0006X
- License number
- MD00010762 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2553 76TH Ave SE, Mercer Island, WA 98040
- Phone
- (206) 275-0702
- Enumerated
- Dec 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- 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
- Hal Quinn, MDPediatrics Physician1144285388
- John Schreuder, MDPediatrics Physician1902877103
Verify Theodore Dungan Mandelkorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00010762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Developmental - Behavioral Pediatrics Physician providers in Washington
There are 37 developmental - behavioral pediatrics physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other developmental - behavioral pediatrics physician records in Washington
- Nicholas Alexander, MDSeattle, WA1669969713
- Angela Armen, MDSeattle, WA1568880276
- Erin Baumler, MDSeattle, WA1356970016
- Forrest BennettSeattle, WA1205917564
- Timothy Brei, MDSeattle, WA1710094131
- David Burkebile, MDRenton, WA1912065889
- Andrea Charlton, D.O.Joint Base Lewis McChord, WA1093109449
- Michelle Clark, D.O.Tacoma, WA1588804082
- Sterling Clarren, MDSeattle, WA1093931339
- Thomas Clingan, MDTacoma, WA1134182801
Common questions
What is Theodore Dungan Mandelkorn, MD's NPI number?
Theodore Dungan Mandelkorn, MD's National Provider Identifier (NPI) is 1922167220, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Dungan Mandelkorn, MD located?
The NPPES record lists a practice address at 2553 76TH Ave SE, Mercer Island, WA, 98040. Phone: (206) 275-0702. Providers update this record themselves, so call before visiting.
How can I verify Theodore Dungan Mandelkorn, MD's license?
NPPES lists Washington license number MD00010762, 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.