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Family Practice

Jiyun N. Chang, MD

Sees patients in Bethesda, MD · Wilmington, NC · Maryland, North Carolina

Summary

Dr. Jiyun N. Chang, MD is a family doctor at 4550 Montgomery Ave, 1050n, Bethesda, MD 20814. May accept Medicare assignment. NPI 1689376774. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 4550 Montgomery Ave, 1050n, Bethesda, MD 20814 · Directions (2 more locations)
  • Medicare: May accept Medicare assignment
  • Medical school: University Of North Carolina At Chapel Hill School Of Medicine · 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 Jiyun N. 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 Jiyun N. Chang accept Medicare assignment?
Medicare's clinician data says Jiyun N. Chang may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Jiyun N. Chang's NPI number?
1689376774. 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 Jiyun N. Chang is enrolled with Medicare (CMS data updated October 2, 2026).

  • 4550 Montgomery Ave, 1050nBethesda, MD 20814
  • 4550 Montgomery Ave, Suite 1050nBethesda, MD 20814
  • 608 Dawson St, Suite 101Wilmington, NC 28401

Specialties

Find other Family Practice doctors in Maryland →

Other family doctors in Bethesda

Clinicians with the same Medicare primary specialty in Bethesda, MD — not a recommendation.

All family doctors in Bethesda →

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1689376774
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