DR. JOHN M RYZENMAN MD
NPI 1871501437
Otolaryngology - Otology & Neurotology in Gahanna, OH
About Dr. John M Ryzenman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN M RYZENMAN MD (NPI 1871501437) is an individual otology & neurotology provider in Gahanna, Ohio, licensed in Ohio (035088358) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Phoebe Putney Memorial Hospital, and is a graduate of University Of Cincinnati College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John M Ryzenman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Ryzenman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westerville, OH 43082
- Reassigned Medicare billing, Ohio enrollment
- 2 clinicians in this Medicare group
Fitzgerald, GA 31750
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Phoebe Physician Group Inc
- 1,118 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Phoebe Putney Memorial Hospital
Acute Care Hospitals · Albany, GAOther Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Ryzenman's NPI number?
The NPI number for John Ryzenman is 1871501437. It was assigned to this individual provider in the NPPES registry on August 3, 2006.
Where is John Ryzenman located?
John Ryzenman practices at 600 Taylor Station Road, Gahanna, OH 43230. The listed phone number is (614) 891-9190.
What is John Ryzenman's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.
Is John Ryzenman enrolled in Medicare?
Yes. John Ryzenman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Ryzenman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ryzenman reassigns Medicare benefits to 2 organizations: Ohio Ear Institute LLC (Westerville, OH) and Phoebe Dorminy Family Care (Fitzgerald, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Ryzenman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Ryzenman accept?
Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc. and Molina Healthcare list John Ryzenman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Ryzenman affiliated with any hospitals?
According to CMS data, John Ryzenman is affiliated with Phoebe Putney Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Ryzenman was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John M Ryzenman, MD · NPI 1871501437
Otology & Neurotology physician in Gahanna, Ohio. Individual provider, active in the CMS NPPES registry since August 3, 2006.
## Identity
- **NPI:** 1871501437 (Entity type: Individual)
- **Enumerated:** August 3, 2006
- **Primary specialty:** Otolaryngology - Otology & Neurotology · taxonomy 207YX0901X
- **State license:** 035088358 (Ohio)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 TAYLOR STATION ROAD, Gahanna, OH 43230
- **Phone:** (614) 891-9190 · **Fax:** (614) 839-9174
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ohio Ear Institute LLC (NPI 1720157381, Westerville, OH); Phoebe Dorminy Family Care (NPI 1992084644, Fitzgerald, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Cincinnati College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** July 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1871501437) · Data from the CMS NPPES public registry.