Michael S. Leininger, PA
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 53
- Hospital affiliations
- 1
- Industry payments
- $193
- Medical groups
- 3
- Practice address
- 801 South Washington, Naperville, IL 60540
- Practice phone
- Call (630) 527-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Leininger'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.
Michael S. Leininger is a physician assistant in Naperville, Illinois
Michael Leininger practices at Edward Hospital in Naperville, Illinois, part of Endeavor Health.
Michael Leininger's NPI, 1235147257, was assigned on August 4, 2006. Michael Leininger holds Illinois license 085002266.
- NPI
- 1235147257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880634575
- NPI enumeration date
- August 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 527-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael S. Leininger practices at Edward Hospital in Naperville, Illinois
Michael Leininger's primary practice is Edward Hospital, at 801 South Washington, Naperville, IL 60540 in Du Page County. The practice phone is (630) 527-3000.
- Edward Hospital801 South Washington, Naperville, IL 60540 · Du Page CountyPhone(630) 527-3000
Source: Dmand AI Affiliation Data
Michael S. Leininger is affiliated with 1 site of care and 3 medical groups
Michael Leininger's primary practice is Edward Hospital in Naperville, Illinois, part of Endeavor Health. The medical group on file is Cardiac Surgery Associates. Dmand AI also links Michael Leininger to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael S. Leininger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Leininger practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Edward Hospital | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Michael S. Leininger is one of 4,299 physician assistants in Illinois
Physician assistant is Michael Leininger's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Leininger is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Michael Leininger
Counts of physician assistants 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
Michael S. Leininger treated 42 Medicare patients in 2024, average age 74
CMS counts 42 Medicare patients who saw Michael Leininger in 2024. The largest group is 75 to 84, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Leininger's median patient age at 64, with 19% women.
Michael Leininger's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michael Leininger's Medicare patients by sex, 2024
- Women1126%
- Men3174%
Chronic conditions among Michael Leininger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Atrial fibrillation64%
- Arthritis52%
- Diabetes50%
- Chronic kidney disease29%
- Heart failure29%
Share of Medicare patients with each condition. A patient can have several.
Michael Leininger'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
- Women19%
- Men79%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael S. Leininger wrote 53 Medicare Part D claims in 2024
In 2024, Michael Leininger wrote 53 Medicare Part D claims for 35 patients. 87% of them were for generic drugs.
Michael Leininger's Part D claims by kind of drug, 2024
- Generic46 claims87%
- Brand-name and other7 claims13%
Drug classes CMS tracks in Michael Leininger's Part D claims, 2024
- Opioids55%29 of 53 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Michael S. Leininger takes part in Medicare
Michael Leininger accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Michael S. Leininger received $193 in industry payments in 2025
CMS Open Payments shows 4 general payments to Michael Leininger from 3 drug and device companies in 2025. Food and beverage make up the largest share, 85% of the total. Terumo Cardiovascular Systems Corporation paid the most, $142.
General payments to Michael Leininger by kind, 2025 to 2025
- Food and beverage$16585%
- Travel and lodging$2815%
Companies that paid Michael Leininger the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael S. Leininger'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Michael S. Leininger
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael S. Leininger's NPI number?
Michael S. Leininger's NPI number is 1235147257. It was assigned on August 4, 2006, and it is active in the NPI Registry.
What does Michael S. Leininger specialize in?
Michael S. Leininger is a physician assistant in Naperville, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael S. Leininger practice?
Michael Leininger practices at 801 South Washington, Naperville, IL 60540. Michael Leininger's primary practice is Edward Hospital in Naperville, Illinois, part of Endeavor Health. Dmand AI also links Michael Leininger to 2 medical groups.
What is Michael S. Leininger's office phone number?
The practice phone on file for Michael Leininger is (630) 527-3000.
What is Michael S. Leininger's medical license number?
Michael Leininger holds Illinois license 085002266.
Which hospitals is Michael S. Leininger affiliated with?
Michael Leininger practices at Edward Hospital in Naperville, Illinois.
What medical group is Michael S. Leininger part of?
Michael Leininger is linked to Cardiac Surgery Associates. Dmand AI links Michael Leininger to 2 more medical groups.
Does Michael S. Leininger accept Medicare?
Yes. CMS lists Michael Leininger as accepting Medicare assignment.
How many Medicare patients does Michael S. Leininger see?
CMS counts 42 Medicare patients who saw Michael Leininger in 2024, with an average age of 74.
Has Michael S. Leininger received payments from drug or device companies?
CMS Open Payments shows $193 in general payments to Michael Leininger from 3 companies from 2025 to 2025. The largest total came from Terumo Cardiovascular Systems Corporation.
How long has Michael S. Leininger been practicing?
Michael Leininger graduated from medical school in 2004, 22 years ago.
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