Donald E. McMahon, MD
Family Medicine Physician · Indianapolis, IN
Donald E. McMahon, MD is a family medicine physician with a practice address in Indianapolis, Indiana, and NPI 1679555718, issued on Nov 15, 2005. Check the license (Indiana 01045365A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Donald E. McMahon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 01045365A IN
Self-reported in NPPES; status is on the state search - Practice location
- 426 S Alabama St Ste 100, Indianapolis, IN 46225
- Phone
- (317) 528-2489
- Enumerated
- Nov 15, 2005
- Record last updated
- Jul 20, 2023
- Fax
- (317) 528-3770
- Medicaid ID
- 200043480B IN
- Medicare enrollment
- Enrolled (PECOS I20040326000266); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 426 S Alabama St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Akosa, MDFamily Medicine Physician1295791200
- Derek Bast, DOFamily Medicine Physician1437612272
- Terence Grogan, DOFamily Medicine Physician1427163492
- Morgan KellyFamily Nurse Practitioner1174290621
- Zachary LundyFamily Medicine Physician1285211474
- Alicia Ottenweller, FNP-CFamily Nurse Practitioner1164942538
Verify Donald E. McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01045365ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,108 Medicare Part D claims for 449 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 512 claims were for opioids.
Most prescribed
- Atorvastatin Calcium339 claims
- Hydrocodone-Acetaminophen266 claims
- Amlodipine Besylate250 claims
- Lisinopril217 claims
- Rosuvastatin Calcium207 claims
- Omeprazole166 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: $31.90
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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 one group practice
- Franciscan Physician NetworkMooresville, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald E. McMahon among 3,506 family medicine physician records in Indiana
Donald E. McMahon, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2005 among the 2,196 with a school on file
- Record last updated2023 · 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
- Anthony Akosa, MDIndianapolis, IN 462251295791200
- Joe Banks, D.O.Indianapolis, IN 462251154508075
- Derek Bast, DOIndianapolis, IN 462251437612272
- Rebecca Daly, NPIndianapolis, IN 462251033875943
- Terence Grogan, DOIndianapolis, IN 462251427163492
- Zachary LundyIndianapolis, IN 462251285211474
- Gregory Specht, DOIndianapolis, IN 462251942738919
- Aasha Trowbridge, MDIndianapolis, IN 462251033191184
Common questions
What is Donald E. McMahon, MD's NPI number?
Donald E. McMahon, MD's National Provider Identifier (NPI) is 1679555718, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Donald E. McMahon, MD located?
The NPPES record lists a practice address at 426 S Alabama St Ste 100, Indianapolis, IN, 46225. Phone: (317) 528-2489. Providers update this record themselves, so call before visiting.
How can I verify Donald E. McMahon, MD's license?
NPPES lists Indiana license number 01045365A, 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 Donald E. McMahon, MD prescribe under Medicare Part D?
In 2024, Donald E. McMahon, MD had 7,108 Medicare Part D claims for 449 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.