Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Ellen G. Zhang, MD

Sees patients in Germantown, MD · Rockville, MD · Maryland

Summary

Ellen G. Zhang, MD (Obstetrics/Gynecology) is enrolled with Medicare at 8 practice locations in Germantown, MD and Rockville, MD. NPI 1649774837. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ellen G. 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
New York Medical CollegeMedical school
FemaleGender (as listed)
Capital Womens Care LLCGroup practice

Quick answers

Where does Ellen G. Zhang see patients?
Medicare's clinician data lists 8 practice locations, including Germantown, MD and Rockville, MD. Call before your visit to confirm the address.
What is Ellen G. Zhang's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Ellen G. Zhang accept Medicare assignment?
Yes. Medicare's clinician data says Ellen G. 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 the phone number for Ellen G. Zhang?
(301) 279-9400, as listed in official Medicare / NPI Registry data.
What is Ellen G. Zhang's NPI number?
1649774837. 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 Ellen G. Zhang is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Ellen G. Zhang as a member of this group (CMS data updated 2026-10-02).

  • Capital Womens Care LLC281 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Maryland →

Other OB-GYNs in Germantown

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

All OB-GYNs in Germantown →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649774837
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 2026-10-02, retrieved 2026-10-29
  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