Larry Marx
Child & Adolescent Psychiatry Physician · Seattle, WA
Larry Marx is a child & adolescent psychiatry physician with a practice address in Seattle, Washington, and NPI 1093850547, issued on Feb 21, 2007. Check the license (Washington MD00040853, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Larry Marx
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- MD00040853 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1730 Minor Ave, Seattle, WA 98101
- Phone
- (206) 287-2500
- Enumerated
- Feb 21, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 128 in Washington → Look up another NPI →
Also registered at 1730 Minor Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda Arzillo, S.W.Clinical Social Worker1861544504
- Ann Branchaud, M.D.Psychiatry Physician1285681254
- Michael Cunha, LMHCMental Health Counselor1396962312
- Christpher Dattan, M.D.Psychiatry Physician1366593204
- Nancy Dorn, RN, ARNPAdult Health Nurse Practitioner1598986481
- Selene Drake-David, LCSWClinical Social Worker1144371931
Verify Larry Marx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00040853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Larry Marx among 128 child & adolescent psychiatry physician records in Washington
Larry Marx is one of 128 child & adolescent psychiatry physician records with a practice address in Washington. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 37% newer
- In a Medicare fileNo · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 22% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Washington
There are 128 child & adolescent psychiatry physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 128 in Washington → Every provider in Seattle → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Kjersti Braunstein, MDSeattle, WA 981011639378656
- Catherine Kuniyoshi, MDSeattle, WA 981011962591479
- Jon Kuniyoshi, MDSeattle, WA 981011871710913
- Tina Lee, M.D.Seattle, WA 981011447343082
- Thomas Semper, M.D.Seattle, WA 981011437125044
- Ravinder Marok, M.DSeattle, WA 981031871728378
- Annabelle Dampier, M.D.Seattle, WA 981041164785614
- Kwang-Hie Park, Md, Pllc, M.D.Seattle, WA 981041073575601
Common questions
What is Larry Marx's NPI number?
Larry Marx's National Provider Identifier (NPI) is 1093850547, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Larry Marx located?
The NPPES record lists a practice address at 1730 Minor Ave, Seattle, WA, 98101. Phone: (206) 287-2500. Providers update this record themselves, so call before visiting.
How can I verify Larry Marx's license?
NPPES lists Washington license number MD00040853, 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.