MARTIN J RYAN MD
NPI 1831203629
Internal Medicine in Cleveland, OH
About Martin J Ryan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARTIN J RYAN MD (NPI 1831203629) is an individual internal medicine provider in Cleveland, Ohio, licensed in Ohio (35056807) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Martin J Ryan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Martin Ryan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44109
- Reassigned Medicare billing, Ohio enrollment
- 2,147 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLEVELAND, OH 44109
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 Martin Ryan's NPI number?
The NPI number for Martin Ryan is 1831203629. It was assigned to this individual provider in the NPPES registry on August 18, 2006.
Where is Martin Ryan located?
Martin Ryan practices at 2500 Metrohealth Dr, Cleveland, OH 44109. The listed phone number is (216) 778-7800.
What is Martin Ryan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Martin Ryan enrolled in Medicare?
Yes. Martin Ryan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Martin Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martin Ryan reassigns Medicare benefits to The Metrohealth System (Cleveland, OH). The 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 Martin Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Martin Ryan accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Molina Healthcare list Martin Ryan 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.
When was this NPI record last updated?
The NPPES record for Martin Ryan was last updated on December 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.