NPPES file of Aug 9, 2026

John M. Ryzenman, MD

Otology & Neurotology Physician · Gahanna, OH

John M. Ryzenman, MD is an otology & neurotology physician with a practice address in Gahanna, Ohio, and NPI 1871501437, issued on Aug 3, 2006. Check the license (Ohio 035088358, 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
1871501437
Name
John M. Ryzenman
Credential
MD
Primary taxonomy
Otology & Neurotology Physician 207YX0901X
License numbers
035088358 OH
35-088358 OH
Self-reported in NPPES; status is on the state search
Practice location
600 Taylor Station Road, Gahanna, OH 43230
Phone
(614) 891-9190
Enumerated
Aug 3, 2006
Record last updated
Jul 28, 2025
Fax
(614) 839-9174
Medicare enrollment
Enrolled (PECOS I20061201000519); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 1999
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.
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Also registered at 600 Taylor Station Road

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

  1. Timothy Drankwalter, D.O.Otolaryngology Physician1841304102
  2. Timothy Nash, D.O.Otolaryngology Physician1649383969

Verify John M. Ryzenman 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 035088358
    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

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11% fewer Medicare Part D claims than the average otology & neurotology physician in 2024

366 Medicare Part D claims for 123 beneficiaries, against an average of 409 among the 340 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 44 claims were for opioids.

  1. John Ryzenman366
  2. Specialty average409

Most prescribed

  1. Ofloxacin75 claims
  2. Hydrocodone-Acetaminophen37 claims
  3. Cephalexin31 claims
  4. Methylprednisolone30 claims
  5. Doxycycline Hyclate21 claims
  6. Tobramycin-Dexamethasone21 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: $1,237.85

6 payments; by number, the most common kind was food and beverage; the largest payer was Med-EL Corporation. The 283 providers of this specialty with any payment received $2,757.03 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Ryzenman$1,237.85
  2. Specialty average$2,757.03

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

Bills Medicare through one group practice

  1. Ohio Ear Institute LLCWesterville, OH

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

John M. Ryzenman among 18 otology & neurotology physician records in Ohio

John M. Ryzenman, MD 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 61% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1999 · median 2003 among the 13 with a school on file
  • Record last updated2025 · 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. Jason Beyea, M.D.Columbus, OH 432121659712917
  2. Nauman Manzoor, M.D.Cleveland, OH 441061508109224
  3. Sarah Mowry, MDCleveland, OH 441061639327901
  4. Alejandro Rivas Campo, M.D,Cleveland, OH 441061174662977
  5. Maroun Semaan, M.DCleveland, OH 441061255509626
  6. Mohamed Hamid, MD, PHDLyndhurst, OH 441241285628347
  7. Mark Bassim, M.D.Cleveland, OH 441951982824884
  8. Anh Nguyen-Huynh, MDCleveland, OH 441951235144742

Common questions

What is John M. Ryzenman, MD's NPI number?

John M. Ryzenman, MD's National Provider Identifier (NPI) is 1871501437, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John M. Ryzenman, MD located?

The NPPES record lists a practice address at 600 Taylor Station Road, Gahanna, OH, 43230. Phone: (614) 891-9190. Providers update this record themselves, so call before visiting.

How can I verify John M. Ryzenman, MD's license?

NPPES lists Ohio license number 035088358, 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 M. Ryzenman, MD prescribe under Medicare Part D?

In 2024, John M. Ryzenman, MD had 366 Medicare Part D claims for 123 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.