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Fox Chase Cancer Center

Gastroenterology • Philadelphia, PA

About

Fox Chase Cancer Center's Gastroenterology department in Philadelphia, PA provides diagnostic, therapeutic, and consultative gastrointestinal services to patients with and without cancer. The physicians offer endoscopic services throughout the GI tract and have expertise in cancer screening, prevention, and treating diseases that increase cancer risk.

Clinic Type

Gastroenterology

Address

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Phone

888-369-2427

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

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Team

  • David Ethan Loren — MD, FASGE
  • Mayada Ismail — MD, ABOM
  • Minhhuyen T. Nguyen — MD, AGAF, FACP
  • Malorie K. Simons — MD
  • David S. Weinberg — MD, MSC
  • Olivia Carrasquillo — CRNP
  • Jaspreet Kaur — DNP, CRNP, FNP-BC, RN-BC

Insurance & Payment

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Languages Spoken

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Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD (Dr. Kristen Singer): 3.0/5 (2 ratings (2 reviews))
  • Healthgrades (Dr. Jonathan Fenkel): 4.9/5 (466 reviews (ratings))
  • WebMD (Dr. Harvey Lefton): 4.5/5 (8 ratings)
  • Vitals (Dr. Anthony J. Di Marino): 4.1/5 (22 ratings (5 written reviews shown))
  • Birdeye (Penn Gastroenterology Perelman): 2.6/5 (28 reviews)
  • Penn Medicine (Gary R. Lichtenstein): 4.9/5 (496 reviews)
  • Penn Medicine (Kristle Lee Lynch): 5.0/5 (294 reviews)
  • Temple Health (Henry P. Parkman): 4.6/5 (405 ratings (72 comments))

Patients praise

  • Caring, knowledgeable care/bedside manner
  • Thorough explanations of conditions and treatment
  • Courteous staff / responsive care
  • Provides follow-up as needed
  • Patients report successful outcomes (e.g., improved health; one post-transplant success)

Common complaints

  • Not listening/dismissive or rushed visits
  • Poor communication/phone call or scheduling issues
  • Condescending or aggressive behavior
  • Long wait for in-person GI appointment or difficulty getting appointments
  • Office/admin issues that feel unhelpful

""Dr Singer did not listen to me, was aggressive and rude, and used retaliatory tactics...""

— WebMD review for Dr. Kristen Singer

""No one returns phone calls...""

— Vitals review for Dr. Anthony J. Di Marino

""This doctor is uncaring and frankly poor... stay away...""

— Vitals highlights/review excerpts for Dr. Brenda J. Horwitz

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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