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

Marjorie Brennan, MD

Individual provider Pediatric Anesthesiology Physician · NPI 1285724096

Marjorie Brennan, MD is an Anesthesiology in Washington, District of Columbia. Graduated from University of Michigan Medical School in 1987, 39 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
39
Trained at
University of Michigan Medical School
Licensed in
DC
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

111 Michigan Ave NW
Washington, DC 20010-2978
Phone: (202) 884-2025
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5255 Loughboro Rd Nw, Washington, DC 20016-2633 — (202) 537-4000

Specialties & licences

Pediatric Anesthesiology Physician (primary) Taxonomy 207LP3000X · Licence MD32115 (DC)

Record details

NPI number1285724096
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESFebruary 18, 2026
Certification dateFebruary 18, 2026
Mailing address6201 Greenleigh Ave, Middle River, MD 21220-2004

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Washington