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

Dr. Stephen Mark Feinstone, MD

Individual provider Internal Medicine Physician · NPI 1083850655

Dr. Stephen Mark Feinstone, MD is an Internal Medicine Physician in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2009
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

3021 Cathedral Ave NW
Washington, DC 20008-3408
Phone: (202) 462-5068
Fax: (301) 402-5585
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD25794 (DC)

Record details

NPI number1083850655
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 1, 2009
Last updated in NPPESJanuary 1, 2009

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