RYUMA TANAKA M.D.
NPI 1184912230
Pediatrics - Pediatric Hematology-Oncology in Columbus, OH
About Ryuma Tanaka M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYUMA TANAKA M.D. (NPI 1184912230) is an individual pediatric hematology-oncology provider in Columbus, Ohio, licensed in Ohio (35.151700) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and maintains 6 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 6
Other Identifiers 2
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)
Ryuma Tanaka M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Ryuma Tanaka reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 976 clinicians in this Medicare group
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 1,246 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
COLUMBUS, OH 43205
COLUMBUS, OH 43205
COLUMBUS, OH 43205
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 Ryuma Tanaka's NPI number?
The NPI number for Ryuma Tanaka is 1184912230. It was assigned to this individual provider in the NPPES registry on July 11, 2011.
Where is Ryuma Tanaka located?
Ryuma Tanaka practices at 700 Childrens Dr, Columbus, OH 43205. The listed phone number is (614) 722-2000.
What is Ryuma Tanaka's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Ryuma Tanaka enrolled in Medicare?
Yes. Ryuma Tanaka is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ryuma Tanaka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryuma Tanaka reassigns Medicare benefits to 3 organizations: Nationwide Children's Hospital (Columbus, OH), Pediatric Academic Association, Inc. (Columbus, OH) and The Medical College Of Wisconsin, Inc. (Milwaukee, WI). 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 Ryuma Tanaka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryuma Tanaka accept?
Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and UnitedHealthcare list Ryuma Tanaka 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 Ryuma Tanaka was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.