NPPES file of Aug 9, 2026

Leonard P. Berenholz, M.D.

Otology & Neurotology Physician · Warren, OH

Leonard P. Berenholz, M.D. is an otology & neurotology physician with a practice address in Warren, Ohio, and NPI 1174526305, issued on May 23, 2005. Check the license (Ohio 35073963B, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174526305
Name
Leonard P. Berenholz
Credential
M.D.
Primary taxonomy
Otology & Neurotology Physician 207YX0901X
License number
35073963B OH
Self-reported in NPPES; status is on the state search
Practice location
3893 E Market St, Warren, OH 44484
Phone
(330) 856-4000
Enumerated
May 23, 2005
Record last updated
Jul 13, 2026
Fax
(330) 609-9910
Medicaid ID
2048144 OH
Medicare enrollment
Enrolled (PECOS I20091015000093); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3893 E Market St

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

  1. Linda BurgerAudiologist1992976831
  2. John Burkey, M.A.Audiologist1508037532
  3. Amanda Ellis, FNP-CFamily Nurse Practitioner1821848524
  4. Tonia Farmer, M.D.Otolaryngology Physician1801899034
  5. Kathie Griffith, MAAudiologist1417128323
  6. Lawrence Letcher, CRNACertified Registered Nurse Anesthetist1487604716

Verify Leonard P. Berenholz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35073963B
    Check 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

28% fewer Medicare Part D claims than the average otology & neurotology physician in 2024

294 Medicare Part D claims for 141 beneficiaries, against an average of 409 among the 340 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 14 claims were for opioids.

  1. Leonard Berenholz294
  2. Specialty average409

Most prescribed

  1. Neomycin-Polymyxin-Dexameth73 claims
  2. Triamterene-Hydrochlorothiazid41 claims
  3. Neomycin-Polymyxin-Hc31 claims
  4. Amoxicillin21 claims
  5. Ofloxacin21 claims
  6. Prednisone18 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.

Bills Medicare through one group practice

  1. Warren Otologic Group, IncWarren, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Leonard P. Berenholz among 18 otology & neurotology physician records in Ohio

Leonard P. Berenholz, M.D. is one of 18 otology & neurotology physician records with a practice address in Ohio. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1983 · median 2003 among the 13 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0901X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otology & Neurotology Physician providers in Ohio

There are 18 otology & neurotology physician records in Ohio.

The 8 otology & neurotology physician records with the nearest ZIP codes

  1. Mark Bassim, M.D.Cleveland, OH 441951982824884
  2. Anh Nguyen-Huynh, MDCleveland, OH 441951235144742
  3. Erika Woodson, MDCleveland, OH 441951376754036
  4. Mohamed Hamid, MD, PHDLyndhurst, OH 441241285628347
  5. Nauman Manzoor, M.D.Cleveland, OH 441061508109224
  6. Sarah Mowry, MDCleveland, OH 441061639327901
  7. Alejandro Rivas Campo, M.D,Cleveland, OH 441061174662977
  8. Maroun Semaan, M.DCleveland, OH 441061255509626

Common questions

What is Leonard P. Berenholz, M.D.'s NPI number?

Leonard P. Berenholz, M.D.'s National Provider Identifier (NPI) is 1174526305, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Leonard P. Berenholz, M.D. located?

The NPPES record lists a practice address at 3893 E Market St, Warren, OH, 44484. Phone: (330) 856-4000. Providers update this record themselves, so call before visiting.

How can I verify Leonard P. Berenholz, M.D.'s license?

NPPES lists Ohio license number 35073963B, 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 Leonard P. Berenholz, M.D. prescribe under Medicare Part D?

In 2024, Leonard P. Berenholz, M.D. had 294 Medicare Part D claims for 141 beneficiaries; the average among otology & neurotology physician prescribers was 409. 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.