Sihoun Hahn, MD, PHD
Clinical Biochemical Genetics Physician · Seattle, WA
Sihoun Hahn, MD, PHD is a clinical biochemical genetics physician with a practice address in Seattle, Washington, and NPI 1538109558, issued on Jun 7, 2006. Check the license (Washington MD00047081, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Sihoun Hahn
- Credential
- MD, PHD
- Primary taxonomy
- Clinical Biochemical Genetics Physician 207SG0202X
- License number
- MD00047081 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4800 Sand Point Way NE, Seattle, WA 98105
- Phone
- (206) 987-3012
- Enumerated
- Jun 7, 2006
- Record last updated
- Mar 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (206) 987-5329
- Medicaid ID
- 8462368 WA
- Medicare enrollment
- Enrolled (PECOS I20070208000632); accepts Medicare assignment
- Entity
- Type 1 · individual
5 nearest clinical biochemical genetics physician records → All 6 in Washington → Look up another NPI →
Also registered at 4800 Sand Point Way NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Evan Abrass, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1598237919
- Seja AbudiabPediatrics Physician1285166173
- Michele Acker, ARNPPediatric Nurse Practitioner1720019094
Verify Sihoun Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00047081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Association OF Chrmc And University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clinical Biochemical Genetics Physician providers in Washington
There are 6 clinical biochemical genetics physician records in Washington.
All 6 in Washington → Every provider in Seattle → Clinical Biochemical Genetics Physician nationwide →
The 5 clinical biochemical genetics physician records with the nearest ZIP codes
- Katrina Dipple, M.D.Seattle, WA 981051295755783
- John Merritt, M.D.Seattle, WA 981051245204635
- Gerald Nepom, MDSeattle, WA 981011437335296
- Sirisak Chanprasert, M.D.Seattle, WA 981951336370758
- Michael Raff, M.D.Tacoma, WA 984051568548246
Common questions
What is Sihoun Hahn, MD, PHD's NPI number?
Sihoun Hahn, MD, PHD's National Provider Identifier (NPI) is 1538109558, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sihoun Hahn, MD, PHD located?
The NPPES record lists a practice address at 4800 Sand Point Way NE, Seattle, WA, 98105. Phone: (206) 987-3012. Providers update this record themselves, so call before visiting.
How can I verify Sihoun Hahn, MD, PHD's license?
NPPES lists Washington license number MD00047081, 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.