SHIRLEY PONNAIYA DO
NPI 1235870676
Internal Medicine in Riverhead, NY
About Shirley Ponnaiya Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHIRLEY PONNAIYA DO (NPI 1235870676) is an individual internal medicine provider in Riverhead, New York, licensed in New York (335729) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and maintains a secondary practice location in East Patchogue.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Shirley Ponnaiya Do 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYPeconic Bay Medical Center
Acute Care Hospitals · Riverhead, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11901 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.
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
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 Shirley Ponnaiya's NPI number?
The NPI number for Shirley Ponnaiya is 1235870676. It was assigned to this individual provider in the NPPES registry on April 6, 2022.
Where is Shirley Ponnaiya located?
Shirley Ponnaiya practices at 1 Heroes Way, Riverhead, NY 11901. The listed phone number is (631) 506-4311.
What is Shirley Ponnaiya's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Shirley Ponnaiya enrolled in Medicare?
Yes. Shirley Ponnaiya 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.
Is Shirley Ponnaiya affiliated with any hospitals?
According to CMS data, Shirley Ponnaiya is affiliated with Ns/Lij Hs Southside Hospital and Peconic Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Shirley Ponnaiya was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.