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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ELLEN LI MD
NPI 1023034345
Internal Medicine - Gastroenterology in East Setauket, NY

Active since July 14, 2006
3 TECHNOLOGY DR, EAST SETAUKET, NY 11733(631) 444-5220 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Ellen Li Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELLEN LI MD (NPI 1023034345) is an individual gastroenterology provider in East Setauket, New York, licensed in New York (254956) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1023034345
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ELLEN LICredential: MD
Location Address3 TECHNOLOGY DREast Setauket, NY 11733-4064
Mailing Address3 Technology DrEast Setauket, NY 11733-4064 · (631) 444-5220
Phone(631) 444-5220
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1023034345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 254956
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3 TECHNOLOGY DR, East Setauket, NY 11733
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Other Identifiers 1

Medicaid202278404MO

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. CAROL ANN MARTIN NP
Nurse Practitioner (Adult Health)
3 TECHNOLOGY DR, SUITE 700
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
DR. EDWARD SUN MD
Internal Medicine
3 TECHNOLOGY DR, STONY BROOK INTERNISTS, UFPC
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
JOSEFINA VERGEL FNP-C
Nurse Practitioner (Family)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
DR. PETER ELLS M.D.
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
ASIM S KHOKHAR M.D.
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
ALEXANDRA GUILLAUME MD
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
DR. BASIL RIGAS M.D.
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
FARAH MONZUR MD
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220

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 Ellen Li's NPI number?

The NPI number for Ellen Li is 1023034345. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Ellen Li located?

Ellen Li practices at 3 Technology Dr, East Setauket, NY 11733. The listed phone number is (631) 444-5220.

What is Ellen Li's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Ellen Li was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.