Louise E. Ou-Yang, MD
Obstetrics & Gynecology Physician · Minneapolis, MN
Louise E. Ou-Yang, MD is an obstetrics & gynecology physician with a practice address in Minneapolis, Minnesota, and NPI 1528009032, issued on Jun 8, 2006. Check the license on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Louise E. Ou-Yang
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301080694 MI
Self-reported in NPPES; status is on the state search - Practice location
- 701 25TH Ave S, Minneapolis, MN 55454
- Phone
- (612) 672-2900
- Enumerated
- Jun 8, 2006
- Record last updated
- May 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070102000347); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 878 in Minnesota → Look up another NPI →
Also registered at 701 25TH Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarah Baer, ODOptometrist1972855211
- Nicolette BlommeStudent in an Organized Health Care Education/Training Program1902790991
- Emma BurtPhysician Assistant1952022865
- Angela Campbell, PTAPhysical Therapy Assistant1518161975
Verify Louise E. Ou-Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
116 Medicare Part D claims for 38 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol27 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.
One hospital affiliation
- Ridgeview Medical CenterWaconia, MN · Acute Care Hospitals4 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.
Louise E. Ou-Yang among 878 obstetrics & gynecology physician records in Minnesota
Louise E. Ou-Yang, MD is one of 878 obstetrics & gynecology physician records with a practice address in Minnesota. 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 12% of them.
- NPI issued2006 · 12% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2002 · median 2007 among the 569 with a school on file
- Record last updated2008 · 60% 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 Minnesota 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 Minnesota
There are 878 obstetrics & gynecology physician records in Minnesota.
All 878 in Minnesota → Every provider in Minneapolis → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Elizabeth Eckhardt, MDMinneapolis, MN 554541992770036
- John Fischer, M.D.Minneapolis, MN 554541497867972
- John Hering, MDMinneapolis, MN 554541033187745
- Karen Johnson, DOMinneapolis, MN 554541811966153
- Karee Lehrman, MDMinneapolis, MN 554541417924770
- Joan Madden, MDMinneapolis, MN 554541124098652
- David Nagel, MDMinneapolis, MN 554541023083805
- Jennifer Percy, MDMinneapolis, MN 554541154397958
Common questions
What is Louise E. Ou-Yang, MD's NPI number?
Louise E. Ou-Yang, MD's National Provider Identifier (NPI) is 1528009032, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louise E. Ou-Yang, MD located?
The NPPES record lists a practice address at 701 25TH Ave S, Minneapolis, MN, 55454. Phone: (612) 672-2900. Providers update this record themselves, so call before visiting.
How can I verify Louise E. Ou-Yang, MD's license?
Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Louise E. Ou-Yang, MD prescribe under Medicare Part D?
In 2024, Louise E. Ou-Yang, MD had 116 Medicare Part D claims for 38 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.