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Diagnostic Radiology

John Chang, MD

Works at hospitals in Plymouth, MA · Stratford, NJ · Rock Hill, SC … · Massachusetts, New Jersey, South Carolina, Louisiana, Texas

Summary

John Chang, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Plymouth, MA, Stratford, NJ and Rock Hill, SC and other places. NPI 1720063852. 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 John Chang, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
University Of Iowa, Rj & L Carver College Of MedicineMedical school
MaleGender (as listed)
Geisinger ClinicGroup practice (+5 more)

Quick answers

Which hospitals does John Chang work at?
Medicare's official clinician data lists John Chang at 5 hospitals: Beth Israel Deaconess Hospital Plymouth, Jefferson Stratford Hospital, Piedmont Medical Center, Willis Knighton Medical Center and Woodland Heights Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Chang see patients?
Medicare's clinician data lists 3 practice locations, including Honolulu, HI, Mount Laurel, NJ and Kailua, HI. Call before your visit to confirm the address.
What is John Chang's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does John Chang accept Medicare assignment?
Yes. Medicare's clinician data says John Chang 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.
What is the phone number for John Chang?
(318) 212-4550, as listed in official Medicare / NPI Registry data.
What is John Chang's NPI number?
1720063852. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Chang works

Medicare's Facility Affiliation Data lists John Chang 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 John Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Chang as a member of these groups (CMS data updated 2026-10-02).

  • Geisinger Clinic3,467 clinicians in the group
  • Radiology Alliance PC455 clinicians in the group
  • Virtual Radiologic Professionals LLC397 clinicians in the group
  • South Jersey Radiology Associates P A206 clinicians in the group
  • Englewood Radiologic Group P A132 clinicians in the group
  • Memphis Physicians Radiological Group PC79 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Hawaii →

Other radiologists in Honolulu

Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.

All radiologists in Honolulu →

Clinician information

CredentialMD
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720063852
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