DR. IRANI SAMARANAYAKE M.D.
NPI 1164666418
Hospitalist in Columbus, OH
About Dr. Irani Samaranayake M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IRANI SAMARANAYAKE M.D. (NPI 1164666418) is an individual hospitalist provider in Columbus, Ohio, licensed in Ohio (35.121436) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 and accepts Medicare assignment
Dr. Irani Samaranayake M.d. 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 Irani Samaranayake reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43214
- Reassigned Medicare billing, Ohio enrollment
- 231 clinicians in this Medicare group
Columbus, OH 43201
- Reassigned Medicare billing, Ohio enrollment
- 61 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 4
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverside Methodist Hospital
Acute Care Hospitals · Columbus, OHMount Carmel St Ann's
Acute Care Hospitals · Westerville, OHGrant Medical Center
Acute Care Hospitals · Columbus, OHOhio State University State Health System
Acute Care Hospitals · Columbus, OHMemorial Hospital
Acute Care Hospitals · Marysville, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43214 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 43214
COLUMBUS, OH 43214
COLUMBUS, OH 43214
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 Irani Samaranayake's NPI number?
The NPI number for Irani Samaranayake is 1164666418. It was assigned to this individual provider in the NPPES registry on April 29, 2009. The provider is also known as Dr. Irani Garusing Arachchige M.D..
Where is Irani Samaranayake located?
Irani Samaranayake practices at 3525 Olentangy River Rd Suite 4330, Columbus, OH 43214. The listed phone number is (614) 255-6900.
What is Irani Samaranayake's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Irani Samaranayake enrolled in Medicare?
Yes. Irani Samaranayake 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 Irani Samaranayake's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irani Samaranayake reassigns Medicare benefits to 2 organizations: Central Ohio Hospitalists, Inc (Columbus, OH) and Medone Long-Term Acute Care LLC (Columbus, OH). 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 Irani Samaranayake's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irani Samaranayake accept?
Health plans from MedMutual list Irani Samaranayake 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 Irani Samaranayake affiliated with any hospitals?
According to CMS data, Irani Samaranayake is affiliated with Riverside Methodist Hospital, Mount Carmel St Ann's, Grant Medical Center, Ohio State University State Health System and Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Irani Samaranayake was last updated on April 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.