Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John M Ryzenman, MD

Individual provider Otology & Neurotology Physician · NPI 1871501437

Dr. John M Ryzenman, MD is an Otolaryngology in Gahanna, Ohio. Graduated from University of Cincinnati College of Medicine in 1999, 27 years ago. Practices with Ohio Ear Institute LLC, a 2-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
27
Trained at
University of Cincinnati College of Medicine
Licensed in
OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

600 Taylor Station Rd
Gahanna, OH 43230
Phone: (614) 891-9190
Fax: (614) 839-9174
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otology & Neurotology Physician (primary) Taxonomy 207YX0901X · Licence 035088358 (OH)
Otology & Neurotology Physician Taxonomy 207YX0901X · Licence 35-088358 (OH)

Record details

NPI number1871501437
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 3, 2006
Last updated in NPPESJuly 28, 2025
Mailing addressPo Box 606, New Albany, OH 43054

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Ohio Ear Institute Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare