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Internal Medicine

Zuleen Chia Chang

Sees patients in Enfield, CT · Connecticut

Summary

Zuleen Chia Chang is an internal medicine doctor at 100 Hazard Ave, Suite 101, Enfield, CT 06082. Phone: (860) 696-2380. Accepts Medicare assignment. NPI 1972125219. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 100 Hazard Ave, Suite 101, Enfield, CT 06082 · Directions
  • Phone: (860) 696‑2380
  • Medicare: Accepts Medicare assignment
  • Group practice: Hartford Healthcare Medical Group Inc
  • Medical school: graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Zuleen Chia Chang, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Zuleen Chia Chang accept Medicare assignment?
Yes. Medicare's clinician data says Zuleen Chia Chang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Zuleen Chia Chang's NPI number?
1972125219. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Zuleen Chia Chang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zuleen Chia Chang as a member of this group (CMS data updated October 2, 2026).

  • Hartford Healthcare Medical Group Inc267 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Enfield

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

All internal medicine doctors in Enfield →

Other clinicians in Hartford Healthcare Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972125219
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians