Brian R. Leon, MD
Internal Medicine Physician · Fishers, IN
Brian R. Leon, MD is an internal medicine physician with a practice address in Fishers, Indiana, and NPI 1356309587, issued on May 4, 2006. Check the license (Indiana 01043980A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Brian R. Leon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01043980A IN
Self-reported in NPPES; status is on the state search - Practice location
- 8890 E 116TH St Ste 300, Fishers, IN 46038
- Phone
- (317) 621-1500
- Enumerated
- May 4, 2006
- Record last updated
- Oct 9, 2025
- Medicaid ID
- 200152490 IN
- Medicare enrollment
- Enrolled (PECOS I20100315000821); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 8890 E 116TH St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aaron Kalinowski, M.D.Internal Medicine Physician1063467850
- Estefania Laboy-GonzalezFamily Medicine Physician1922674514
- William Lang, D.O.Family Medicine Physician1457778797
Verify Brian R. Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01043980ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average internal medicine physician in 2024
3,886 Medicare Part D claims for 331 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium292 claims
- Amlodipine Besylate189 claims
- Mounjaro153 claims
- Lisinopril127 claims
- Jardiance121 claims
- Rosuvastatin Calcium112 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: $121.18
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Community Physicians OF Indiana IncIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian R. Leon among 2,109 internal medicine physician records in Indiana
Brian R. Leon, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1994 · median 2005 among the 1,448 with a school on file
- Record last updated2025 · 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 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 internal medicine physician records list a practice address in Fishers
They are 28 of the 2,027 NPPES records with a practice address in Fishers, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Fishers → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rona Abu Manneh, M.D.Fishers, IN 460381548432511
- Michael Baach, MDFishers, IN 460381578579546
- John DesantoFishers, IN 460381679596712
- Holly Furdge-White, MDFishers, IN 460381336363589
- Aaron Kalinowski, M.D.Fishers, IN 460381063467850
- Kevin Logan, M.D.Fishers, IN 460381639384183
- Marwan MustaklemFishers, IN 460381750357513
- Racquel Reyes, MDFishers, IN 460381053638254
Common questions
What is Brian R. Leon, MD's NPI number?
Brian R. Leon, MD's National Provider Identifier (NPI) is 1356309587, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian R. Leon, MD located?
The NPPES record lists a practice address at 8890 E 116TH St Ste 300, Fishers, IN, 46038. Phone: (317) 621-1500. Providers update this record themselves, so call before visiting.
How can I verify Brian R. Leon, MD's license?
NPPES lists Indiana license number 01043980A, 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 Brian R. Leon, MD prescribe under Medicare Part D?
In 2024, Brian R. Leon, MD had 3,886 Medicare Part D claims for 331 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.