Joanna Zhou, M.D., MPH
Obstetrics & Gynecology Physician · Seattle, WA
Joanna Zhou, M.D., MPH is an obstetrics & gynecology physician with a practice address in Seattle, Washington, and NPI 1497118905, issued on Apr 1, 2016. Check the license (Washington MD61073713, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Joanna Zhou
- Credential
- M.D., MPH
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD61073713 WA
Self-reported in NPPES; status is on the state search - Practice location
- 904 7TH Ave, Seattle, WA 98104
- Phone
- (206) 860-4541
- Enumerated
- Apr 1, 2016
- Record last updated
- May 6, 2026
- Fax
- (206) 860-4587
- Medicare enrollment
- Enrolled (PECOS I20201001001900); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,038 in Washington → Look up another NPI →
Also registered at 904 7TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kim Abson, MDDermatology Physician1215902135
- Kriti Agarwal, MDInternal Medicine Physician1629537881
- Patricia Agudelo Suarez, MDObstetrics & Gynecology Physician1821139445
- Peter Albro, MDCardiovascular Disease Physician1598730350
- Hiba AmbreenInternal Medicine Physician1750027942
- Linda Anderson, M.D.Pulmonary Disease Physician1053317222
Verify Joanna Zhou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61073713Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
84 Medicare Part D claims for 28 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Clobetasol Propionate17 claims
- Estradiol17 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.
Bills Medicare through one group practice
- The Polyclinic PLLCSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Zhou among 1,038 obstetrics & gynecology physician records in Washington
Joanna Zhou, M.D., MPH 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 2016, is newer than 84% of them.
- NPI issued2016 · 84% of these records are older, 15% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2016 · median 2007 among the 582 with a school on file
- Record last updated2026 · 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 Seattle → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Susan Block, MDSeattle, WA 981041285621771
- Karen Bohmke, MDSeattle, WA 981041003802679
- Ann Bridges, M.D.Seattle, WA 981041811963424
- Robin Cole, MDSeattle, WA 981041043206717
- Sarah Delatorre, MDSeattle, WA 981041104899673
- Philip Dubois, M.D.Seattle, WA 981041578552238
- Nancy Gregory-Hoefling, ARNPSeattle, WA 981041124091517
- Elena Hannon, M.D.Seattle, WA 981041437126067
Common questions
What is Joanna Zhou, M.D., MPH's NPI number?
Joanna Zhou, M.D., MPH's National Provider Identifier (NPI) is 1497118905, issued on Apr 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Zhou, M.D., MPH located?
The NPPES record lists a practice address at 904 7TH Ave, Seattle, WA, 98104. Phone: (206) 860-4541. Providers update this record themselves, so call before visiting.
How can I verify Joanna Zhou, M.D., MPH's license?
NPPES lists Washington license number MD61073713, 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.
How much does Joanna Zhou, M.D., MPH prescribe under Medicare Part D?
In 2024, Joanna Zhou, M.D., MPH had 84 Medicare Part D claims for 28 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.