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

Leonard Wartofsky, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1336198282

Leonard Wartofsky, MD is an Endocrinology, Diabetes & Metabolism Physician in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2006.

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 →

Practice location Address checks out

110 Irving St NW #2A38
Washington, DC 20010-2976
Phone: (202) 877-2848
Fax: (202) 877-6292
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 MD4979 (DC)

Record details

NPI number1336198282
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2006
Last updated in NPPESJuly 13, 2026

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