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

Dr. Margaret Litwin Sommerville, MD

Individual provider Dermatology Physician · NPI 1861671505

Dr. Margaret Litwin Sommerville, MD is a Dermatology in Chevy Chase, Maryland. Graduated from George Washington University School of Medicine in 1991, 35 years ago. Accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
35
Trained at
George Washington University School of Medicine
Licensed in
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.

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Practice location Address checks out

5530 Wisconsin Ave Ste 830
Chevy Chase, MD 20815-4461
Phone: (301) 656-7546
Fax: (301) 469-4952
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence D0061245 (MD)
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence D0061245 (MD)

Record details

NPI number1861671505
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 30, 2007
Last updated in NPPESAugust 10, 2008

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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