Yuen Michael Chau
Obstetrics & Gynecology Physician · Salem, OR
Yuen Michael Chau is an obstetrics & gynecology physician with a practice address in Salem, Oregon, and NPI 1255427449, issued on Oct 5, 2006. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Yuen Michael Chau
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD00038487 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Capitol St NE, Salem, OR 97301
- Phone
- (503) 399-2424
- Enumerated
- Oct 5, 2006
- Record last updated
- Jan 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 8252942 WA
- Medicare enrollment
- Enrolled (PECOS I20080619000733); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 654 in Oregon → Look up another NPI →
Also registered at 2020 Capitol St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shahab Akbari, M.D.Family Medicine Physician1326473133
- Aimee Alejandre, PA-CMedical Physician Assistant1790454056
- Gloria Alexander, M.D.Internal Medicine Physician1326259524
- Rachel BaileyHealth Educator1831686583
- Erik Bates, PAMedical Physician Assistant1689786832
- Richard Beach, MDHospitalist Physician1558858092
Verify Yuen Michael Chau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
342 Medicare Part D claims for 110 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 14 claims were for opioids.
Most prescribed
- Estradiol91 claims
- Medroxyprogesterone Acetate36 claims
- Oxybutynin Chloride25 claims
- Myrbetriq18 claims
- Triamcinolone Acetonide17 claims
- Nitrofurantoin Mono-Macro11 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
- Salem Clinic PCSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yuen Michael Chau among 654 obstetrics & gynecology physician records in Oregon
Yuen Michael Chau is one of 654 obstetrics & gynecology physician records with a practice address in Oregon. 73% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 48% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2007 among the 413 with a school on file
- Record last updated2010 · 57% 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 Oregon 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 Oregon
There are 654 obstetrics & gynecology physician records in Oregon.
All 654 in Oregon → Every provider in Salem → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- David Bishop, MDSalem, OR 973011548231186
- Darcy Blanchard, D.O.Salem, OR 973011588770325
- Sheila Goldsworthy, MDSalem, OR 973011700872918
- Robert Harder, MDSalem, OR 973011114913431
- Valerie Joyce Heffner, MDSalem, OR 973011588807259
- Cheryl Lugenbill, M.D.Salem, OR 973011386682409
- Heather Mackay, M.D.Salem, OR 973011720192479
- Stacy McCarty Wilson, M.D.Salem, OR 973011992839286
Common questions
What is Yuen Michael Chau's NPI number?
Yuen Michael Chau's National Provider Identifier (NPI) is 1255427449, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yuen Michael Chau located?
The NPPES record lists a practice address at 2020 Capitol St NE, Salem, OR, 97301. Phone: (503) 399-2424. Providers update this record themselves, so call before visiting.
How can I verify Yuen Michael Chau's license?
Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yuen Michael Chau prescribe under Medicare Part D?
In 2024, Yuen Michael Chau had 342 Medicare Part D claims for 110 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.