Leonard Dale Guyer, M.D.
Family Medicine Physician · Indianapolis, IN
Leonard Dale Guyer, M.D. is a family medicine physician with a practice address in Indianapolis, Indiana, and NPI 1407072325, issued on Apr 18, 2007. Check the license (Indiana 01040481, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Leonard Dale Guyer
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 01040481 IN
Self-reported in NPPES; status is on the state search - Practice location
- 836 E 86TH St, Indianapolis, IN 46240
- Phone
- (317) 580-9355
- Enumerated
- Apr 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (317) 580-9342
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 836 E 86TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Baker, CNMAdvanced Practice Midwife1639262926
- Rashelle Cesla, CPHTPharmacy Technician1174145437
Verify Leonard Dale Guyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01040481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
689 Medicare Part D claims for 102 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Dextroamphetamine-Amphetamine57 claims
- Alprazolam54 claims
- Armour Thyroid42 claims
- Sumatriptan Succinate28 claims
- Zolpidem Tartrate19 claims
- Hydrocortisone17 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.
Leonard Dale Guyer among 3,506 family medicine physician records in Indiana
Leonard Dale Guyer, 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 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 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
- Debra Boyce, MDIndianapolis, IN 462401932109881
- Joy Crovello, MDIndianapolis, IN 462401255345120
- Barbara Davis, M.D.Indianapolis, IN 462401851315154
- Michelle Gilliatte, M.D.Indianapolis, IN 462401184078909
- Daria Kaval, M.D.Indianapolis, IN 462401821258617
- J Kallmyer, M.D.Indianapolis, IN 462411861533309
- Michael Ruley, M.D.Indianapolis, IN 462391144210469
- Aaron Blair, MDIndianapolis, IN 462371972094316
Common questions
What is Leonard Dale Guyer, M.D.'s NPI number?
Leonard Dale Guyer, M.D.'s National Provider Identifier (NPI) is 1407072325, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Dale Guyer, M.D. located?
The NPPES record lists a practice address at 836 E 86TH St, Indianapolis, IN, 46240. Phone: (317) 580-9355. Providers update this record themselves, so call before visiting.
How can I verify Leonard Dale Guyer, M.D.'s license?
NPPES lists Indiana license number 01040481, 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 Leonard Dale Guyer, M.D. prescribe under Medicare Part D?
In 2024, Leonard Dale Guyer, M.D. had 689 Medicare Part D claims for 102 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.