NPPES file of Aug 9, 2026

Yen Hoang Nguyen, DO

Pediatrics Physician · Seattle, WA

Yen Hoang Nguyen, DO is a pediatrics physician with a practice address in Seattle, Washington, and NPI 1205270584, issued on Apr 17, 2013. Check the license (Washington OP61516015, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205270584
Name
Yen Hoang Nguyen
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
OP61516015 WA
Q7437 TX
Self-reported in NPPES; status is on the state search
Practice location
9800 4TH Ave NE, Seattle, WA 98115
Phone
(206) 302-1200
Enumerated
Apr 17, 2013
Record last updated
Aug 17, 2024
Fax
(877) 516-8135
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9800 4TH Ave NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Donald Avriett, M.D.Family Medicine Physician1154475077
  2. Haley Bader, MAMental Health Counselor1932777000
  3. Ken Balter, PA CPhysician Assistant1497926778
  4. William Baluch, P.A.Medical Physician Assistant1467592121
  5. Jae Youn Bang, LICSWClinical Social Worker1477859957
  6. Kevin Beene, MDFamily Medicine Physician1649731126

Verify Yen Hoang Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP61516015
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $20.49

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yen Nguyen$20.49
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Yen Hoang Nguyen among 1,753 pediatrics physician records in Washington

Yen Hoang Nguyen, DO is one of 1,753 pediatrics physician records with a practice address in Washington. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 64% of them.

  • NPI issued2013 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2024 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

544 pediatrics physician records list a practice address in Seattle

They are 544 of the 41,956 NPPES records with a practice address in Seattle, and 1,753 pediatrics physician records in Washington.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Francis Bell, MDSeattle, WA 981151982846473
  2. Kathleen Graunke, M.D.Seattle, WA 981151346298643
  3. Tashi Gyaltsong, MDSeattle, WA 981151396947453
  4. Frederick Kassab, M.D.Seattle, WA 981151184775983
  5. Sheryl Morelli, MDSeattle, WA 981151568456523
  6. Jill Sells, MDSeattle, WA 981151063120442
  7. Bryn Stevens, M.D.Seattle, WA 981151659423564
  8. Susan Altemeier, MDSeattle, WA 981161184709420

Common questions

What is Yen Hoang Nguyen, DO's NPI number?

Yen Hoang Nguyen, DO's National Provider Identifier (NPI) is 1205270584, issued on Apr 17, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Yen Hoang Nguyen, DO located?

The NPPES record lists a practice address at 9800 4TH Ave NE, Seattle, WA, 98115. Phone: (206) 302-1200. Providers update this record themselves, so call before visiting.

How can I verify Yen Hoang Nguyen, DO's license?

NPPES lists Washington license number OP61516015, 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. Medicare files from data.cms.gov. 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.