Summary

Dr. Jack Brenner is a gastroenterologist and internal medicine physician who earned his medical degree from Universita Campus Biomedico Di Roma. He completed his residency at Mount Sinai Medical Center and brings nearly six decades of clinical experience to his practice. Dr. Brenner is fluent in Spanish, Italian, and English.

Dr. Brenner practices at Stoneleigh Medical Group in Jefferson Valley, New York, and maintains hospital privileges at Northern Westchester Hospital. His expertise includes treating abdominal pain, including cases during pregnancy, and managing gastroesophageal reflux disease. He performs specialized imaging procedures such as CT scans of the abdomen and CT enterography to diagnose digestive conditions. Patients rate Dr. Brenner 4.6 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 59 years of experience
  • 20 insurance plans accepted
  • speaks Spanish, Italian, English
  • Mount Sinai Medical Center
  • 10 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Stoneleigh Medical Group

3630 Hill Blvd Ste 402Jefferson Valley, NY 10535
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Jack Leon Brenner, MDJi Soo Choi, APRNRachel Oliver, APRNAshley Anderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
59 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, Italian, English Speaks English Speaks English Speaks English
Jefferson Valley , NYSACRAMENTO , CASACRAMENTO , CASACRAMENTO , CA
Med School: Universita Campus Biomedico Di Romas Med School: New York University Med School: University of South Alabama Med School: East Tennessee State University - Quillen College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jack Leon Brenner

  • 1199SEIU
  • AARP
  • AARP - Medicare
  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • Fidelis Care (NY)
  • Humana
  • MagnaCare
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • MVP Health Care
  • Optum Health
  • Partners Health Plan
  • UnitedHealthcare
  • UnitedHealthcare Oxford
  • Wellcare

Medical Specialties

Dr. Jack Leon Brenner has the following 2 specialties

Specialty Expertise

Dr. Jack Leon Brenner has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

59 Years Experience

Dr. Jack Leon Brenner holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2027.

Education & Training

Residency

Completed their residency at Mount Sinai Medical Center.

Medical School

Graduated from Universita Campus Biomedico Di Romas in 1968 and Universita Degli Studi Di Roma La Sapienza Facolta Di Farmacia E Medicina in 1967.

NPI Number

Dr. Brenner's NPI number is 1033287347.

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Frequently Asked Questions

Where is Dr. Jack Brenner's office located?
Dr. Jack Brenner's office is located at 3630 Hill Blvd Ste 402, Jefferson Valley, NY, 10535.
Does Dr. Jack Brenner accept my insurance?
You can see the insurance plans that Dr. Jack Brenner accepts on their Vitals profile.
Which hospitals is Dr. Jack Brenner affiliated with?
Dr. Jack Brenner is affiliated with Northern Westchester Hospital.
Is Dr. Jack Brenner accepting new patients?
Dr. Jack Brenner is accepting new patients on Vitals. View Dr. Jack Brenner's profile on Vitals to make an appointment.
Does Dr. Jack Brenner accept virtual/telehealth appointments?
Dr. Jack Brenner has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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