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

Dr. Mark Mendel Sklar, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1720083223

Dr. Mark Mendel Sklar, MD is an Endocrinology, Diabetes & Metabolism Physician in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2005.

Licensed in
DC
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3 Washington Cir NW Ste 303
Washington, DC 20037-2311
Phone: (202) 887-4769
Fax: (202) 223-2552
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence MD18512 (DC)

Record details

NPI number1720083223
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2005
Last updated in NPPESJuly 13, 2026

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