Dr. Donald E. McMahon, MD
- Medicare services, 2024
- 534
- Medicare patients, 2024
- 162
- Part D claims, 2024
- 7,108
- Hospital affiliations
- 3
- Industry payments
- $2,534
- Practice address
- 426 S Alabama St, Indianapolis, IN 46225
- Practice phone
- Call (317) 528-4800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Franciscan Physician Network
Indianapolis, Indiana
Find Dr. McMahon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Donald E. McMahon is a family medicine physician in Indianapolis, Indiana
Dr. McMahon practices at Franciscan Physician Network in Indianapolis, Indiana.
Dr. McMahon's NPI, 1679555718, was assigned on November 15, 2005. Dr. McMahon graduated from Indiana University School of Medicine in 1995. Dr. McMahon holds Indiana license 01045365A.
- NPI
- 1679555718NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062304918
- NPI enumeration date
- November 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 528-4800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Donald E. McMahon practices at Franciscan Physician Network in Indianapolis, Indiana
Dr. McMahon's primary practice is Franciscan Physician Network, at 426 S Alabama St, Indianapolis, IN 46225 in Marion County. The practice phone is (317) 528-4800.
- Franciscan Physician Network426 S Alabama St, Indianapolis, IN 46225 · Marion CountyPhone(317) 528-4800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Donald E. McMahon is affiliated with 6 sites of care and 1 medical group
Dr. McMahon's primary practice is Franciscan Physician Network in Indianapolis, Indiana. Dr. McMahon is also affiliated with IU Health Methodist Hospital. The medical group on file is Franciscan Physician Network. Dmand AI also links Dr. McMahon to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Donald E. McMahon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMahon practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Franciscan Physician Network | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Donald E. McMahon is one of 3,028 family medicine physicians in Indiana
Family medicine is Dr. McMahon's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. McMahon is licensed in Indiana.
Specialties and state licenses
- Family medicine, IndianaPrimary
Family medicine physicians near Dr. McMahon
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Donald E. McMahon billed Medicare for 534 services in 2024
CMS data shows 534 Medicare services from Dr. McMahon across 11 procedure codes in 2024, for 162 Medicare patients. Medicare paid $40,386 for them. Every service was in an office.
Dr. McMahon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1712024: 24443%
- Office and hospital visits
- 2023: 2942024: 20530%
- Tests and treatments
- 2023: 112024: 67509%
- Lab and pathology
- 2023: 02024: 18
- Surgery
- 2023: 182024: 0100%
Dr. McMahon compared with the Indiana median for family medicine physicians, 2024
- Dr. McMahon
- Indiana median
- Medicare services
- 534vs 40034% above
- Medicare patients
- 162vs 165Close to median
- Part D claims
- 6,360vs 1,2285.2 times
Medians across 3,080 family medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. McMahon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McMahon and other family medicine physicians in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Donald E. McMahon treated 162 Medicare patients in 2024, average age 73
CMS counts 162 Medicare patients who saw Dr. McMahon in 2024. The largest group is 65 to 74, with 85 patients. 72% of them have high blood pressure, and 68% have high cholesterol. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McMahon's median patient age at 64, with 49% women.
Dr. McMahon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McMahon's Medicare patients by sex, 2024
- Women7244%
- Men9056%
Chronic conditions among Dr. McMahon's Medicare patients, 2024
- High blood pressure72%
- High cholesterol68%
- Arthritis35%
- Diabetes26%
- Mood disorders24%
- Ischemic heart disease23%
- Depression22%
- COPD18%
Share of Medicare patients with each condition. A patient can have several.
Dr. McMahon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Donald E. McMahon wrote 7,108 Medicare Part D claims in 2024
In 2024, Dr. McMahon wrote 7,108 Medicare Part D claims for 449 patients. 87% of them were for generic drugs. CMS names the drug for 6,360 of them, across 130 drugs with 11 or more claims each, at $658,545 in total drug cost. In 2023, CMS named 5,972 claims across 125 drugs.
Dr. McMahon's Part D claims by kind of drug, 2024
- Generic6,192 claims87%
- Brand-name888 claims12%
- Other28 claims0%
Dr. McMahon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. McMahon's Part D claims, 2024
- Opioids7%512 of 7,108 claims
- Antibiotics4%254 of 7,108 claims
- Antipsychotics, patients 65 and over0%35 of 7,108 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,9722024: 6,3606%
Drugs named by CMS: 130 in 2024, 125 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Donald E. McMahon takes part in Medicare
Dr. McMahon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Donald E. McMahon received $2,534 in industry payments from 2016 to 2024
CMS Open Payments shows 181 general payments to Dr. McMahon from 23 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 95% of the total. AstraZeneca Pharmaceuticals LP paid the most, $647.
General payments to Dr. McMahon by program year, 2016 to 2024
General payments to Dr. McMahon by kind, 2016 to 2024
- Food and beverage$2,41695%
- Education$1185%
Companies that paid Dr. McMahon the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Donald E. McMahon graduated from Indiana University School of Medicine
Dr. McMahon graduated from Indiana University School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Donald E. McMahon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Donald E. McMahon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Donald E. McMahon's NPI number?
Dr. Donald E. McMahon's NPI number is 1679555718. It was assigned on November 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Donald E. McMahon?
Dr. Donald E. McMahon is a family medicine physician in Indianapolis, Indiana. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Donald E. McMahon practice?
Dr. McMahon practices at 426 S Alabama St, Indianapolis, IN 46225. Dr. McMahon's primary practice is Franciscan Physician Network in Indianapolis, Indiana. Dmand AI also links Dr. McMahon to 2 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Donald E. McMahon's office phone number?
The practice phone on file for Dr. McMahon is (317) 528-4800.
What is Dr. Donald E. McMahon's medical license number?
Dr. McMahon holds Indiana license 01045365A.
Which hospitals is Dr. Donald E. McMahon affiliated with?
Dr. McMahon is affiliated with IU Health Methodist Hospital. Dmand AI links Dr. McMahon to 2 more hospitals.
What medical group is Dr. Donald E. McMahon part of?
Dr. McMahon is linked to Franciscan Physician Network.
Does Dr. Donald E. McMahon accept Medicare?
Yes. CMS data shows Dr. McMahon billed Medicare for 534 services in 2024, and Dr. McMahon accepts Medicare assignment.
How many Medicare patients does Dr. Donald E. McMahon see?
CMS counts 162 Medicare patients who saw Dr. McMahon in 2024, with an average age of 73.
What services does Dr. Donald E. McMahon bill to Medicare?
In 2024, Dr. McMahon's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G0444).
Show 4 more questionsShow fewer questions
Where did Dr. Donald E. McMahon go to medical school?
Dr. McMahon graduated from Indiana University School of Medicine in 1995.
What drugs does Dr. Donald E. McMahon prescribe most?
In 2024 Medicare Part D data, Dr. McMahon's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Amlodipine Besylate.
Has Dr. Donald E. McMahon received payments from drug or device companies?
CMS Open Payments shows $2,534 in general payments to Dr. McMahon from 23 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Donald E. McMahon been practicing?
Dr. McMahon graduated from medical school in 1995, 31 years ago.
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