Marisa Gefen, MD

Doctor
5.0

11 reviews

Read Reviews

About This Business

Marisa Gefen, MD, practices internal medicine in Philadelphia, Pennsylvania, with 19 years of experience since graduating in 2007. She holds an active Pennsylvania license and has been registered with the national provider registry since 2007. She accepts Medicare; telehealth is not listed among her services. She is one of fifteen internal medicine physicians among the 108 Philadelphia doctors in our directory. Patients rate her 5.0 across 11 reviews.

Verified Provider Info

Specialty (per registry)
Internal Medicine
NPI Number
1386846806
Medical school graduate
2007 (19+ years of practice)
State license
MD439866 (PA)
Accepts Medicare

Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18

Address

37 S 40th St Second Floor
Philadelphia, PA 19104

Open in Google Maps

Location on Map

Map data © Google. Loading this map may set cookies from Google. See our Cookie Policy and Privacy Policy.

Information last updated: September 7, 2026