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Gastroenterology

You Sung Sang, MD

Works at hospitals in Norwich, CT · Connecticut

Summary

You Sung Sang, MD (Gastroenterology) is listed by Medicare at 1 hospital in Norwich, CT. NPI 1275520892. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about You Sung Sang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
36Years since medical school (graduated 1990)
Icahn School Of Medicine At Mount SinaiMedical school
MaleGender (as listed)
Connecticut Gi PLLCGroup practice

Quick answers

Which hospitals does You Sung Sang work at?
Medicare's official clinician data lists You Sung Sang at 1 hospital: William W Backus Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does You Sung Sang see patients?
Medicare's clinician data lists 2 practice locations, including Norwich, CT and Hartford, CT. Call before your visit to confirm the address.
What is You Sung Sang's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does You Sung Sang accept Medicare assignment?
Yes. Medicare's clinician data says You Sung Sang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does You Sung Sang offer telehealth?
Medicare's clinician data says You Sung Sang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for You Sung Sang?
(860) 859-9061, as listed in official Medicare / NPI Registry data.
What is You Sung Sang's NPI number?
1275520892. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where You Sung Sang works

Medicare's Facility Affiliation Data lists You Sung Sang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where You Sung Sang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists You Sung Sang as a member of this group (CMS data updated 2026-10-02).

  • Connecticut Gi PLLC248 clinicians in the group

Specialties

Find other Gastroenterology doctors in Connecticut →

Other gastroenterologists in Norwich

Clinicians with the same Medicare primary specialty in Norwich, CT — not a recommendation.

All gastroenterologists in Norwich →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275520892
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians