Summary

Dr. Jeffrey Morganstern specializes in gastroenterology and pediatrics, bringing together expertise in digestive health and children's medical care. He earned his medical degree from Renaissance School of Medicine at Stony Brook University and completed his residency at Long Island Jewish Medical Center. With 26 years of clinical experience, Dr. Morganstern has developed extensive knowledge in treating digestive disorders in pediatric patients. He communicates with families in both English and Spanish.

Dr. Morganstern practices at Stony Brook University Hospital, South Shore University Hospital, and Saint Catherine Of Siena Medical Center, with locations throughout Stony Brook, Smithtown, East Setauket, Commack, and Bay Shore, New York. His clinical focus includes treating abdominal pain and flank pain in young patients. He performs specialized diagnostic procedures such as celiac disease antibody tests and complete blood counts to help identify underlying conditions. Patients consistently rate Dr. Morganstern highly, giving him an average score of 5.0 for his compassionate care and clinical expertise.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 5
  • 26 years of experience
  • speaks English, Spanish
  • Long Island Jewish Medical Center
  • 4 written reviews
  • 2 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 11 office locations
  • Male

Office Locations

Dr. Jeffrey Alan Morganstern has 11 locations

Stony Brook University Medical Center Pediatric Gastroenterology

101 Nicolls Rd Ste 80Stony Brook, NY 11794
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Stony Brook University Hospital

101 Nicolls RdStony Brook, NY 11794

Stony Brook Childrens Smithtown

260 E Main St Ste 107Smithtown, NY 11787
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 4:00 pm
SunClosed

Advanced Pediatric Care

4 Technology Dr Ste 250Setauket, NY 11733
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
Sat8:00 am - 3:00 pm
SunClosed

Dr. Jeffrey Alan Morganstern

260 E Main St Ste 107Smithtown, NY 11787
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
Sat8:00 am - 4:00 pm
SunClosed

Stony Brook Pediatrics

4 Technology Dr Ste 104East Setauket, NY 11733

Advanced Specialty Care

500 Commack Rd Ste 104Commack, NY 11725

Stony Brook Advanced Pediatric Care

260 E Middle Country Rd Ste 107Smithtown, NY 11787
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 4:00 pm
SunClosed

Advanced Pediatric Care

4 TECHNOLOGY DR STE 101EAST SETAUKET, NY 11733
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 4:00 pm
SunClosed

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Dr. Jeffrey Alan Morganstern, MDDr. Qin Rao, MDJan Seiler, APRNDr. Connie Park, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
26 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English
Stony Brook , NYNEW YORK , NYMontgomery , ALNew York , NY
Med School: Suny Stony Brookhealth Med School: State University of New York Med School: Georgia State University Med School: State University of New York
Current Profile
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Insurance Plans Accepted by Dr. Jeffrey Alan Morganstern

  • Accepts Medicaid

Medical Specialties

Dr. Jeffrey Alan Morganstern has the following 2 specialties

Specialty Expertise

Dr. Jeffrey Alan Morganstern has the following 13 areas of expertise

  • Celiac Disease
  • Cholesterol Management
  • Constipation
  • Failure to Thrive
  • Hepatitis
  • Hepatitis B
  • Inflammatory Bowel Diseases (IBD)
  • Obesity
  • Pediatrics
  • Peptic Ulcer
  • Short Bowel Syndrome
  • Ulcerative Colitis
  • Viral Human Hepatitis

Certifications, License, & Education

26 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Expired

EDUCATION & TRAINING

Residency

Long Island Jewish Medical Center

Medical School

Suny Stony Brookhealth
Renaissance School Of Medicine At Stony Brook UniversityGraduated in 2000

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Frequently Asked Questions

Which hospitals is Dr. Jeffrey Morganstern affiliated with?
Dr. Jeffrey Morganstern is affiliated with STONY BROOK UNIVERSITY HOSPITAL, South Shore University Hospital, and Saint Catherine Of Siena Medical Center.
Where is Dr. Jeffrey Morganstern's office located?
Dr. Jeffrey Morganstern's office is located at 101 Nicolls Rd Ste 80, Stony Brook, NY, 11794.
Does Dr. Jeffrey Morganstern accept virtual/telehealth appointments?
Dr. Jeffrey Morganstern has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Jeffrey Morganstern?
You can find contact information for Dr. Jeffrey Morganstern here on Vitals.
What languages does Dr. Jeffrey Morganstern speak?
Dr. Jeffrey Morganstern speaks English and Spanish.

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