John J. Leisgang, M.D.
Internal Medicine Physician · Cincinnati, OH
John J. Leisgang, M.D. is an internal medicine physician with a practice address in Cincinnati, Ohio, and NPI 1407802754, issued on May 26, 2006. Check the license (Ohio 35045220, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- John J. Leisgang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35045220 OH
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Marie Ave, Cincinnati, OH 45248
- Phone
- (513) 981-5463
- Enumerated
- May 26, 2006
- Record last updated
- Aug 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (513) 598-2242
- Medicaid ID
- 0509640 OH
- Medicare enrollment
- Enrolled (PECOS I20060531000190); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 5525 Marie Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brittany Fitzpatrick, DOInternal Medicine Physician1295477842
- Caroline Klopp, PA-CInternal Medicine Physician1780317198
- Mary Ellen McCullough, MDHematology & Oncology Physician1407840812
- Peter Nguyen, DOInternal Medicine Physician1770223273
Verify John J. Leisgang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35045220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,697 Medicare Part D claims for 798 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 89 claims were for opioids.
Most prescribed
- Atorvastatin Calcium894 claims
- Levothyroxine Sodium420 claims
- Pantoprazole Sodium401 claims
- Amlodipine Besylate362 claims
- Metoprolol Succinate341 claims
- Hydrochlorothiazide250 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: $391.59
20 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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.
John J. Leisgang among 5,277 internal medicine physician records in Ohio
John J. Leisgang, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1980 · median 2006 among the 3,414 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
566 internal medicine physician records list a practice address in Cincinnati
They are 566 of the 31,362 NPPES records with a practice address in Cincinnati, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Cincinnati → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mary Blades, MDCincinnati, OH 452481306842042
- Prasad Chandra, M.D.Cincinnati, OH 452481063468312
- Steven Cooley, MDCincinnati, OH 452481457358665
- Amador Delamerced, MDCincinnati, OH 452481083612410
- Prashanth Kesav, M.D.Cincinnati, OH 452481235185950
- Richard Klopp, M.D.Cincinnati, OH 452481396790432
- Sharon SaxCincinnati, OH 452481356397608
- Nancy Slattery, MDCincinnati, OH 452481013914233
Common questions
What is John J. Leisgang, M.D.'s NPI number?
John J. Leisgang, M.D.'s National Provider Identifier (NPI) is 1407802754, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. Leisgang, M.D. located?
The NPPES record lists a practice address at 5525 Marie Ave, Cincinnati, OH, 45248. Phone: (513) 981-5463. Providers update this record themselves, so call before visiting.
How can I verify John J. Leisgang, M.D.'s license?
NPPES lists Ohio license number 35045220, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John J. Leisgang, M.D. prescribe under Medicare Part D?
In 2024, John J. Leisgang, M.D. had 9,697 Medicare Part D claims for 798 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.