Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gladys Sloane Zimmerman, MD

Individual provider Pediatric Gastroenterology Physician · NPI 1669979209

Gladys Sloane Zimmerman, MD is a Pediatric Medicine in Washington, District of Columbia. Qualified in 2018, 8 years ago. Practices with Children's Hospital, a 208-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
8
Licensed in
DC
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

111 Michigan Ave NW
Washington, DC 20010-2916
Phone: (202) 476-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Gastroenterology Physician (primary) Taxonomy 2080P0206X · Licence MD500003089 (DC)

Record details

NPI number1669979209
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2018
Last updated in NPPESNovember 6, 2024
Certification dateNovember 6, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Children'S Hospital — 208 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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