Semra Olgac, MD
Clinical Pathology/Laboratory Medicine Physician · Seattle, WA
Semra Olgac, MD is a clinical pathology/laboratory medicine physician with a practice address in Seattle, Washington, and NPI 1578543419, issued on Jan 18, 2006. Check the license (Washington MD00046810, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Semra Olgac
- Credential
- MD
- Primary taxonomy
- Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
- License numbers
- MD00046810 WA
218991 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-6600
- Enumerated
- Jan 18, 2006
- Record last updated
- Apr 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 8469736 WA
- Medicare enrollment
- Enrolled (PECOS I20061114000579); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical pathology/laboratory medicine physician records → All 58 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barry Aaronson, MDHospitalist Physician1952418345
- David Aboulafia, MDHematology & Oncology Physician1043269392
- Deborah Abrams, M.D.Hematology & Oncology Physician1902974835
- Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
- Ream AdeebAdult Health Nurse Practitioner1760868855
- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify Semra Olgac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00046810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Semra Olgac among 58 clinical pathology/laboratory medicine physician records in Washington
Semra Olgac, MD is one of 58 clinical pathology/laboratory medicine physician records with a practice address in Washington. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 47% newer
- In a Medicare fileYes · 41% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1991 · median 2009 among the 24 with a school on file
- Record last updated2015 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology/Laboratory Medicine Physician providers in Washington
There are 58 clinical pathology/laboratory medicine physician records in Washington.
All 58 in Washington → Every provider in Seattle → Clinical Pathology/Laboratory Medicine Physician nationwide →
The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes
- Marla Fenske, MDSeattle, WA 981011962427831
- Christopher Gault, M.D.Seattle, WA 981011437412590
- Donald Guinee, MDSeattle, WA 981011427079128
- Hejin Hahn, M.D.Seattle, WA 981011588602882
- Thomas Rogers, DO MPHSeattle, WA 981011124445218
- Maryam Asif, MBBSSeattle, WA 981041578099552
- Geoffrey Baird, MD, PHDSeattle, WA 981041407868953
- Thomas Ma, MDSeattle, WA 981041689171563
Common questions
What is Semra Olgac, MD's NPI number?
Semra Olgac, MD's National Provider Identifier (NPI) is 1578543419, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Semra Olgac, MD located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6600. Providers update this record themselves, so call before visiting.
How can I verify Semra Olgac, MD's license?
NPPES lists Washington license number MD00046810, 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.