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DR. STEPHEN MARK FEINSTONE M.D.
NPI 1083850655
Internal Medicine in Washington, DC

Active since January 01, 2009
3021 CATHEDRAL AVE NW, WASHINGTON, DC 20008(202) 462-5068(301) 402-5585 Get Directions Write a Review

NPPES record last updated: January 1, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen Mark Feinstone M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN MARK FEINSTONE M.D. (NPI 1083850655) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD25794) and active in the NPI registry since January 2009.

NPPES Registry Identity

NPI1083850655
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. STEPHEN MARK FEINSTONECredential: M.D.
Location Address3021 CATHEDRAL AVE NWWashington, DC 20008-3408
Mailing Address3021 Cathedral Ave NwWashington, DC 20008-3408 · (202) 462-5068 · Fax (301) 402-5585
Phone(202) 462-5068
Fax(301) 402-5585
Sole ProprietorYes
Enumeration DateJanuary 1, 2009
✔ NPI 1083850655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DC · MD25794
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3021 CATHEDRAL AVE NW, Washington, DC 20008
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Feinstone's NPI number?

The NPI number for Stephen Feinstone is 1083850655. It was assigned to this individual provider in the NPPES registry on January 1, 2009.

Where is Stephen Feinstone located?

Stephen Feinstone practices at 3021 Cathedral Ave NW, Washington, DC 20008. The listed phone number is (202) 462-5068.

What is Stephen Feinstone's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Stephen Feinstone was last updated on January 1, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.