Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Shirley Ponnaiya, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1235870676

Shirley Ponnaiya, DO is an Internal Medicine in Riverhead, New York. Graduated from Rocky Vista University College of Osteopathic Med in 2022, 4 years ago. Practices with Central Suffolk Hospital, a 91-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
4
Trained at
Rocky Vista University College of Osteopathic Med
Licensed in
NY
In the registry since
2022
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1 Heroes Way
Riverhead, NY 11901-2054
Phone: (631) 506-4311
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 100 Hospital Rd Ste 201, East Patchogue, NY 11772-8814 — (631) 475-6900

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 335729 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1235870676
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 6, 2022
Last updated in NPPESAugust 20, 2025
Certification dateAugust 20, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolROCKY VISTA UNIVERSITY COLLEGE OF OSTEOPATHIC MED
Graduated 2022 (4 years in practice)
Group practice Central Suffolk Hospital — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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