Dr. Lex Philip Leonhardt, DO
- Part D claims, 2024
- 342
- Publications
- 7
- Hospital affiliations
- 5
- Industry payments
- $2,094
- Medical groups
- 2
- Practice address
- 405 Grand Avenue, Dayton, OH 45405
- Practice phone
- Call (937) 723-3410
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Lex Philip Leonhardt is an internist in Dayton, Ohio
Dr. Leonhardt practices at Kettering Health Dayton in Dayton, Ohio, part of Kettering Adventist Healthcare.
Dr. Leonhardt's NPI, 1386104024, was assigned on March 20, 2019. Dr. Leonhardt graduated from West Virginia School of Osteopathic Medicine in 2019. Dr. Leonhardt holds Ohio license 34.016074.
- NPI
- 1386104024NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527300334
- NPI enumeration date
- March 20, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (937) 723-3410
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lex Philip Leonhardt practices at Kettering Health Dayton in Dayton, Ohio
Dr. Leonhardt's primary practice is Kettering Health Dayton, at 405 Grand Avenue, Dayton, OH 45405 in Montgomery County. The practice phone is (937) 723-3410.
- Kettering Health Dayton405 Grand Avenue, Dayton, OH 45405 · Montgomery CountyPhone(937) 723-3410
Source: Dmand AI Affiliation Data
Dr. Lex Philip Leonhardt is affiliated with 7 sites of care and 2 medical groups
Dr. Leonhardt's primary practice is Kettering Health Dayton in Dayton, Ohio, part of Kettering Adventist Healthcare. Dr. Leonhardt is also affiliated with Kettering Health Main Campus. The medical group on file is Kettering Health Medical Group. Dmand AI also links Dr. Leonhardt to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lex Philip Leonhardt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leonhardt practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kettering Health Dayton | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kettering Adventist Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Lex Philip Leonhardt is one of 4,708 internists in Ohio
Internal medicine is Dr. Leonhardt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leonhardt is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Leonhardt
Counts of internists 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. Lex Philip Leonhardt's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Leonhardt's median patient age at 67, with 51% women.
Dr. Leonhardt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Lex Philip Leonhardt wrote 342 Medicare Part D claims in 2024
In 2024, Dr. Leonhardt wrote 342 Medicare Part D claims for 60 patients. 94% of them were for generic drugs. CMS names the drug for 141 of them, across 6 drugs with 11 or more claims each, at $5,771 in total drug cost. In 2023, CMS named 79 claims across 5 drugs.
Dr. Leonhardt's Part D claims by kind of drug, 2024
- Generic322 claims94%
- Brand-name20 claims6%
Dr. Leonhardt'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. Leonhardt's Part D claims, 2024
- Opioids4%14 of 342 claims
- Antibiotics4%13 of 342 claims
- Antipsychotics, patients 65 and over4%15 of 342 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: 792024: 14178%
Drugs named by CMS: 6 in 2024, 5 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. Lex Philip Leonhardt takes part in Medicare
Dr. Leonhardt 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)
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Dr. Lex Philip Leonhardt has 7 publications on record
Dmand AI links 7 papers to Dr. Leonhardt, published from 2021 to 2024. 2021 was the busiest year, with 3. Dr. Leonhardt has published most often in Cureus. Dr. Leonhardt's most frequent co-authors are Aamir Pervez, DO, Alejandro R. Calvo, MD and Wesley Tang, DO.
Dr. Leonhardt's papers by year, 2021 to 2024
Dr. Leonhardt's most frequent co-authors
- Aamir Pervez, DO4 shared papers
- Alejandro R. Calvo, MD3 shared papers
- Wesley Tang, DO3 shared papers
Recent publications by Dr. Leonhardt
J Community Hosp Intern Med Perspect
See who Dr. Leonhardt researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leonhardt works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lex Philip Leonhardt received $2,094 in industry payments from 2020 to 2025
CMS Open Payments shows 23 general payments to Dr. Leonhardt from 14 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $435.
General payments to Dr. Leonhardt by program year, 2020 to 2025
Companies that paid Dr. Leonhardt the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lex Philip Leonhardt graduated from West Virginia School of Osteopathic Medicine
Dr. Leonhardt graduated from West Virginia School of Osteopathic Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lex Philip Leonhardt'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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Lex Philip Leonhardt
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. Lex Philip Leonhardt's NPI number?
Dr. Lex Philip Leonhardt's NPI number is 1386104024. It was assigned on March 20, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Lex Philip Leonhardt?
Dr. Lex Philip Leonhardt is an internist in Dayton, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lex Philip Leonhardt practice?
Dr. Leonhardt practices at 405 Grand Avenue, Dayton, OH 45405. Dr. Leonhardt's primary practice is Kettering Health Dayton in Dayton, Ohio, part of Kettering Adventist Healthcare. Dmand AI also links Dr. Leonhardt to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Lex Philip Leonhardt's office phone number?
The practice phone on file for Dr. Leonhardt is (937) 723-3410.
What is Dr. Lex Philip Leonhardt's medical license number?
Dr. Leonhardt holds Ohio license 34.016074.
Which hospitals is Dr. Lex Philip Leonhardt affiliated with?
Dr. Leonhardt practices at Kettering Health Dayton in Dayton, Ohio. Dr. Leonhardt is also affiliated with Kettering Health Main Campus. Dmand AI links Dr. Leonhardt to 3 more hospitals.
What medical group is Dr. Lex Philip Leonhardt part of?
Dr. Leonhardt is linked to Kettering Health Medical Group. Dmand AI links Dr. Leonhardt to 1 more medical group.
Does Dr. Lex Philip Leonhardt accept Medicare?
Yes. CMS lists Dr. Leonhardt as accepting Medicare assignment.
Where did Dr. Lex Philip Leonhardt go to medical school?
Dr. Leonhardt graduated from West Virginia School of Osteopathic Medicine in 2019.
What drugs does Dr. Lex Philip Leonhardt prescribe most?
In 2024 Medicare Part D data, Dr. Leonhardt's most prescribed drugs by claims were Prednisone, Prochlorperazine Maleate and Ondansetron HCl.
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Has Dr. Lex Philip Leonhardt received payments from drug or device companies?
CMS Open Payments shows $2,094 in general payments to Dr. Leonhardt from 14 companies from 2020 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Lex Philip Leonhardt been practicing?
Dr. Leonhardt graduated from medical school in 2019, 7 years ago.
Does Dr. Lex Philip Leonhardt do research?
Dmand AI links 7 publications to Dr. Leonhardt, published from 2021 to 2024.
Who does Dr. Lex Philip Leonhardt publish with?
Dr. Leonhardt's most frequent co-authors are Aamir Pervez, DO (4 shared papers), Alejandro R. Calvo, MD (3 shared papers) and Wesley Tang, DO (3 shared papers).
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