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

Dr. Margaret M Shaffer, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1851507719

Dr. Margaret M Shaffer, MD is a Pathology in Washington, District of Columbia. Graduated from George Washington University School of Medicine in 1989, 37 years ago. Practices with Johns Hopkins University, a 705-clinician group. Licensed in District of Columbia and Maryland.

Years since qualifying
37
Trained at
George Washington University School of Medicine
Licensed in
DC, MD
In the registry since
2007
Specialties on file
2
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

5255 Loughboro Rd NW
Washington, DC 20016-2633
Phone: (202) 537-4455
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence D79890 (MD)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence MD20064 (DC)

Record details

NPI number1851507719
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2007
Last updated in NPPESDecember 22, 2021
Certification dateDecember 22, 2021

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Johns Hopkins University — 705 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Washington