Registry data as of Aug 27, 2026

John Horinger, M.D.

Internal Medicine Physician · Mayfield Heights, OH

John Horinger, M.D. is an internal medicine physician with a practice address in Mayfield Heights, Ohio, and NPI 1619234689, issued on Apr 16, 2012. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619234689
Name
John Horinger
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
300 Allen Bradley Dr Ste 240, Mayfield Heights, OH 44124
Phone
(216) 382-8000
Enumerated
Apr 16, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 300 Allen Bradley Dr Ste 240

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Susan Flick, CNPAdult Health Nurse Practitioner1710175179
  2. Richard Tomm, M.D.Internal Medicine Physician1891891651

Verify John Horinger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of OhioCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

4.2 times the Medicare Part D claims of the average internal medicine physician in 2024

11,602 Medicare Part D claims for 738 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 65 claims were for opioids.

  1. John Horinger11,602
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium913 claims
  2. Losartan Potassium535 claims
  3. Amlodipine Besylate517 claims
  4. Levothyroxine Sodium296 claims
  5. Metoprolol Succinate270 claims
  6. Lisinopril265 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: $1,796.90

103 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Horinger$1,796.90
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. Customcare MD LLCMayfield Heights, OH
  2. University Primary Care Practices IncBeachwood, OH

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

14 internal medicine physician records list a Mayfield Heights practice address

They are 14 of the 548 NPPES records with a Mayfield Heights practice address, and 5,995 internal medicine physician records in Ohio.

Other internal medicine physician records in Ohio

  1. Evan Abalos, D.O.Toledo, OH1194163089
  2. Teah Abashidze, M.D.Cleveland, OH1336179647
  3. Rami Abboud, MDLorain, OH1487854972
  4. Walid Abboud, MDCleveland, OH1245295559
  5. Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
  6. Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
  7. Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
  8. Mohammed Abdelaziz, MDDayton, OH1831326701
  9. Bahaa Abdelghaffar, MDCleveland, OH1265954275
  10. John Abdelnour, MDCleveland, OH1114656931

Common questions

What is John Horinger, M.D.'s NPI number?

John Horinger, M.D.'s National Provider Identifier (NPI) is 1619234689, issued on Apr 16, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John Horinger, M.D. located?

The NPPES record lists a practice address at 300 Allen Bradley Dr Ste 240, Mayfield Heights, OH, 44124. Phone: (216) 382-8000. Providers update this record themselves, so call before visiting.

How can I verify John Horinger, M.D.'s license?

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 Horinger, M.D. prescribe under Medicare Part D?

In 2024, John Horinger, M.D. had 11,602 Medicare Part D claims for 738 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.