Louis Leigh Winternheimer, M.D.
Family Medicine Physician · Indianapolis, IN
Louis Leigh Winternheimer, M.D. is a family medicine physician with a practice address in Indianapolis, Indiana, and NPI 1528033107, issued on Feb 17, 2006. Check the license (Indiana 01051367A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Louis Leigh Winternheimer
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 01051367A IN
Self-reported in NPPES; status is on the state search - Practice location
- 10122 E 10TH St Ste 100, Indianapolis, IN 46229
- Phone
- (317) 355-5717
- Enumerated
- Feb 17, 2006
- Record last updated
- Jun 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 200235020 IN
- Medicare enrollment
- Enrolled (PECOS I20110228000470); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 10122 E 10TH St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sehrrish Ahmed, DOStudent in an Organized Health Care Education/Training Program1124820295
- Lauren Allman, DOStudent in an Organized Health Care Education/Training Program1962342246
- Masarath Aman, DOStudent in an Organized Health Care Education/Training Program1770335010
- Hanisha Battina, DOStudent in an Organized Health Care Education/Training Program1992643449
- Jacob Boyer, MDStudent in an Organized Health Care Education/Training Program1447094271
- Kent Brantly, M.D.Family Medicine Physician1063745768
Verify Louis Leigh Winternheimer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01051367ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average family medicine physician in 2024
1,509 Medicare Part D claims for 123 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 72 claims were for opioids.
Most prescribed
- Amlodipine Besylate82 claims
- Atorvastatin Calcium81 claims
- Lisinopril71 claims
- Hydrochlorothiazide65 claims
- Hydrocodone-Acetaminophen65 claims
- Albuterol Sulfate Hfa56 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.
Industry payments in 2024: $55.33
3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Community Physicians OF Indiana IncIndianapolis, IN
- Jane Pauley Community Health Center IncIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Leigh Winternheimer among 3,506 family medicine physician records in Indiana
Louis Leigh Winternheimer, M.D. is one of 3,506 family medicine physician records with a practice address in Indiana. 81% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2005 among the 2,196 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
569 family medicine physician records list a practice address in Indianapolis
They are 569 of the 30,493 NPPES records with a practice address in Indianapolis, and 3,506 family medicine physician records in Indiana.
All 3,506 in Indiana → Every provider in Indianapolis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Aria Arrizabalaga, MDIndianapolis, IN 462291912971029
- Robert Arthur, MDIndianapolis, IN 462291376531798
- David Breitwieser, MDIndianapolis, IN 462291083650741
- Lee Fischer, M.D.Indianapolis, IN 462291598747677
- Tricia Hern, MDIndianapolis, IN 462291427087170
- Farouk KhairyIndianapolis, IN 462291134143837
- Sagi Mathew, M.D.Indianapolis, IN 462291720044217
- Paul McDougal, MDIndianapolis, IN 462291275577314
Common questions
What is Louis Leigh Winternheimer, M.D.'s NPI number?
Louis Leigh Winternheimer, M.D.'s National Provider Identifier (NPI) is 1528033107, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Leigh Winternheimer, M.D. located?
The NPPES record lists a practice address at 10122 E 10TH St Ste 100, Indianapolis, IN, 46229. Phone: (317) 355-5717. Providers update this record themselves, so call before visiting.
How can I verify Louis Leigh Winternheimer, M.D.'s license?
NPPES lists Indiana license number 01051367A, 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 Louis Leigh Winternheimer, M.D. prescribe under Medicare Part D?
In 2024, Louis Leigh Winternheimer, M.D. had 1,509 Medicare Part D claims for 123 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.