Sonya Tat, MD
Obstetrics & Gynecology Physician · Bellevue, WA
Sonya Tat, MD is an obstetrics & gynecology physician with a practice address in Bellevue, Washington, and NPI 1154663425, issued on Mar 25, 2013. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Sonya Tat
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 137544 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11511 NE 10TH St, Bellevue, WA 98004
- Phone
- (425) 502-3000
- Enumerated
- Mar 25, 2013
- Record last updated
- May 20, 2025
- Fax
- (844) 620-1839
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,038 in Washington → Look up another NPI →
Also registered at 11511 NE 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa AdamsPhysical Therapist1831295591
- Ali Alhusseini, MDInternal Medicine Physician1770840738
- Adrienne Anderson, LICSWClinical Social Worker1770142143
- Kate Andrews, P.A.Physician Assistant1295280782
- Aaron Apodaca, M.D.Hospitalist Physician1427115815
- Esther Argenyi, M.D.Diagnostic Radiology Physician1750425369
Verify Sonya Tat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
81 Medicare Part D claims for 42 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol43 claims
- Clobetasol Propionate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Sonya Tat among 1,038 obstetrics & gynecology physician records in Washington
Sonya Tat, MD is one of 1,038 obstetrics & gynecology physician records with a practice address in Washington. 68% 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 76% of them.
- NPI issued2013 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Washington
There are 1,038 obstetrics & gynecology physician records in Washington.
All 1,038 in Washington → Every provider in Bellevue → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Danica Bloomquist, MDBellevue, WA 980041487664413
- Angela Chien, M.D.Bellevue, WA 980041952490088
- Kristin Graham, MDBellevue, WA 980041659370898
- James Haines, MDBellevue, WA 980041952300212
- Ann Kolwitz, MDBellevue, WA 980041811996531
- James Kustin, MDBellevue, WA 980041518024876
- Michael Lawler, MDBellevue, WA 980041801895529
- Pamela Lutz, MDBellevue, WA 980041255367066
Common questions
What is Sonya Tat, MD's NPI number?
Sonya Tat, MD's National Provider Identifier (NPI) is 1154663425, issued on Mar 25, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Sonya Tat, MD located?
The NPPES record lists a practice address at 11511 NE 10TH St, Bellevue, WA, 98004. Phone: (425) 502-3000. Providers update this record themselves, so call before visiting.
How can I verify Sonya Tat, MD's license?
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.
How much does Sonya Tat, MD prescribe under Medicare Part D?
In 2024, Sonya Tat, MD had 81 Medicare Part D claims for 42 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.