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Internal Medicine

Larry W. Chang, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Larry W. Chang, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Baltimore, MD. NPI 1558417881. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Larry W. 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

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
24Years since medical school (graduated 2002)
Emory University School Of MedicineMedical school
MaleGender (as listed)
Johns Hopkins UniversityGroup practice (+1 more)

Quick answers

Which hospitals does Larry W. Chang work at?
Medicare's official clinician data lists Larry W. Chang at 2 hospitals: Johns Hopkins Bayview Medical Center and The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Larry W. Chang see patients?
Medicare's clinician data lists 4 practice locations, including Baltimore, MD. Call before your visit to confirm the address.
What is Larry W. Chang's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
Does Larry W. Chang accept Medicare assignment?
Medicare's clinician data says Larry W. Chang may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Larry W. Chang offer telehealth?
Medicare's clinician data says Larry W. Chang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Larry W. Chang?
(410) 955-5000, as listed in official Medicare / NPI Registry data.
What is Larry W. Chang's NPI number?
1558417881. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Larry W. Chang works

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

Group practices

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

  • Johns Hopkins University2,909 clinicians in the group
  • Johns Hopkins University713 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Baltimore

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

All internal medicine doctors in Baltimore →

Clinician information

CredentialMD
Medical schoolEmory University School Of Medicine
Graduation year2002
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1558417881
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