Katherine Oleary
Obstetrics & Gynecology Physician · Mishawaka, IN
Katherine Oleary is an obstetrics & gynecology physician with a practice address in Mishawaka, Indiana, and NPI 1538695606, issued on May 10, 2017. Check the license (Indiana 01089919A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Katherine Oleary
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 01089919A IN
Self-reported in NPPES; status is on the state search - Practice location
- 611 E Douglas RD Ste 408, Mishawaka, IN 46545
- Phone
- (574) 335-6440
- Enumerated
- May 10, 2017
- Record last updated
- Mar 27, 2024
- Fax
- (574) 335-0806
- Medicaid ID
- 300078656 IN
- Medicare enrollment
- Enrolled (PECOS I20230808000570); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 894 in Indiana → Look up another NPI →
Also registered at 611 E Douglas RD Ste 408
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jasmine Christopher, NPWomen's Health Nurse Practitioner1013421049
- Lindsey Connolly, M.D.Obstetrics & Gynecology Physician1386177830
- Neil Sink, M.D.Obstetrics & Gynecology Physician1659509065
Verify Katherine Oleary in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01089919ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
48 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.
Bills Medicare through one group practice
- Saint Joseph Regional Medical Center IncMishawaka, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Oleary among 894 obstetrics & gynecology physician records in Indiana
Katherine Oleary is one of 894 obstetrics & gynecology physician records with a practice address in Indiana. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2022 · median 2004 among the 591 with a school on file
- Record last updated2024 · 43% 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 Indiana 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 Indiana
There are 894 obstetrics & gynecology physician records in Indiana.
All 894 in Indiana → Every provider in Mishawaka → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jodi CarboneMishawaka, IN 465451528500154
- Lindsey Connolly, M.D.Mishawaka, IN 465451386177830
- Shawn Naranjo, MDMishawaka, IN 465451629338777
- David Parker, M.D.Mishawaka, IN 465451609175777
- Neil Sink, M.D.Mishawaka, IN 465451659509065
- Gayle Borkowski, MDMilford, IN 465421902890718
- Thomas Spencer, MDKnox, IN 465341295796985
- Ann Broz, M.D.Granger, IN 465301457614760
Common questions
What is Katherine Oleary's NPI number?
Katherine Oleary's National Provider Identifier (NPI) is 1538695606, issued on May 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Oleary located?
The NPPES record lists a practice address at 611 E Douglas RD Ste 408, Mishawaka, IN, 46545. Phone: (574) 335-6440. Providers update this record themselves, so call before visiting.
How can I verify Katherine Oleary's license?
NPPES lists Indiana license number 01089919A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Oleary prescribe under Medicare Part D?
In 2024, Katherine Oleary had 48 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.