Michael K. Chinn, MD
Obstetrics & Gynecology Physician · Tacoma, WA
Michael K. Chinn, MD is an obstetrics & gynecology physician with a practice address in Tacoma, Washington, and NPI 1336111814, issued on Feb 7, 2006. Check the license (Washington MD60936474, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Michael K. Chinn
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- MD60936474 WA
MD 9544 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1608 S J St FL 1, Tacoma, WA 98405
- Phone
- (253) 274-7501
- Enumerated
- Feb 7, 2006
- Record last updated
- Sep 17, 2025
- Fax
- (253) 274-7991
- Medicaid ID
- 2133920 WA
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,038 in Washington → Look up another NPI →
Also registered at 1608 S J St FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claudia Berg-Graessle, CNMAdvanced Practice Midwife1760818942
- Tatiana Dicoby, D.O.Obstetrics & Gynecology Physician1114164696
- Angela Gray, MDMaternal & Fetal Medicine Physician1013947142
- Arthur Maslow, D.O.Obstetrics & Gynecology Physician1437111747
- Katherine McDonald, CNMAdvanced Practice Midwife1669071429
- Caroline Miller, ARNPAdvanced Practice Midwife1316418163
Verify Michael K. Chinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60936474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
36 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Michael K. Chinn among 1,038 obstetrics & gynecology physician records in Washington
Michael K. Chinn, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 52% 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 Tacoma → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Monica Abbi, MDTacoma, WA 984051295703650
- Donald Boutry, MDTacoma, WA 984051336134089
- Jacky Cheng, MDTacoma, WA 984051609852300
- Wesley Davis, M.D.Tacoma, WA 984051003892480
- Catrina Funk, MDTacoma, WA 984051811993298
- Robert Gore, M.D.Tacoma, WA 984051174568323
- Ladonna Jones, MDTacoma, WA 984051043298672
- Carol Kovanda, MDTacoma, WA 984051487654448
Common questions
What is Michael K. Chinn, MD's NPI number?
Michael K. Chinn, MD's National Provider Identifier (NPI) is 1336111814, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael K. Chinn, MD located?
The NPPES record lists a practice address at 1608 S J St FL 1, Tacoma, WA, 98405. Phone: (253) 274-7501. Providers update this record themselves, so call before visiting.
How can I verify Michael K. Chinn, MD's license?
NPPES lists Washington license number MD60936474, 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 Michael K. Chinn, MD prescribe under Medicare Part D?
In 2024, Michael K. Chinn, MD had 36 Medicare Part D claims for 18 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.