DR. ROHAN GERARD PERERA M.D.
NPI 1336116177
Internal Medicine - Cardiovascular Disease in East Setauket, NY
About Dr. Rohan Gerard Perera M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROHAN GERARD PERERA M.D. (NPI 1336116177) is an individual cardiovascular disease provider in East Setauket, New York, licensed in New York (207987) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses 2
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. Rohan Gerard Perera 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 Rohan Perera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Setauket, NY 11733
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1306631742 (New York)
- 68 clinicians in this Medicare group
West Islip, NY 11795
- Reassigned Medicare billing, New York enrollment
- 119 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 19
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
John T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYSt Charles Hospital
Acute Care Hospitals · Port Jefferson, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
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 Rohan Perera's NPI number?
The NPI number for Rohan Perera is 1336116177. It was assigned to this individual provider in the NPPES registry on March 1, 2006.
Where is Rohan Perera located?
Rohan Perera practices at 210 N Belle Mead Rd, East Setauket, NY 11733. The listed phone number is (631) 689-1400.
What is Rohan Perera's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Rohan Perera enrolled in Medicare?
Yes. Rohan Perera 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 Rohan Perera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rohan Perera reassigns Medicare benefits to 2 organizations: Harbor View Medical Services PC (East Setauket, NY) and Cardiac Ekg Interpretation, P. C. (West Islip, NY). 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 Rohan Perera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rohan Perera affiliated with any hospitals?
According to CMS data, Rohan Perera is affiliated with John T Mather Memorial Hospital Of Port Jefferson, St Charles Hospital and Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Rohan Perera was last updated on February 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.