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Internal Medicine

Rong Zhang, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Rong Zhang, MD (Internal Medicine) is listed by Medicare at 1 hospital in Baltimore, MD. NPI 1669421855. 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 Rong Zhang, 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
YesAccepts Medicare assignment
44Years since medical school (graduated 1982)
FemaleGender (as listed)

Quick answers

Which hospitals does Rong Zhang work at?
Medicare's official clinician data lists Rong Zhang at 1 hospital: MedStar Union Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
What is Rong Zhang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Rong Zhang accept Medicare assignment?
Yes. Medicare's clinician data says Rong Zhang 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 Rong Zhang's NPI number?
1669421855. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Rong Zhang works

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

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
Graduation year1982
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669421855
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