Summary

Dr. Mark Nitzberg is a gastroenterologist and internist who completed his medical education at the University of Massachusetts Medical School. He pursued his residency training at the University of Connecticut Health Center, establishing a strong foundation in internal medicine and digestive health care. With 37 years of medical experience, Dr. Nitzberg has developed extensive expertise in diagnosing and treating disorders of the digestive system. He provides care to patients in English.

Dr. Nitzberg practices at Holy Family Hospital in Methuen and Merrimack Health Lawrence Hospital, serving patients throughout Massachusetts. His clinical focus includes treating colon polyps, hemorrhoids, and diverticular disease. He performs essential diagnostic procedures such as colonoscopy and lower GI endoscopy to evaluate digestive health concerns. Dr. Nitzberg also utilizes pathology testing to support accurate diagnosis and treatment planning. Patients have given him an average rating of 3.2 on Vitals.
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Quick Facts

  • 3.2
  • 37 years of experience
  • speaks English
  • University Of Connecticut Health Center
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. Mark Charles Nitzberg has 2 locations

Merrimack Health Lawrence Hospital

1 General StLawrence, MA 01841

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Dr. Mark Charles Nitzberg, MDJan Seiler, APRNTheresa Obonyano, APRNAshley Anderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
3.2 
37 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Methuen , MAMontgomery , ALSACRAMENTO , CASACRAMENTO , CA
Med School: University Of Massachusetts Medical School Med School: Georgia State University Med School: The University of Texas Health Science Center at Houston Med School: East Tennessee State University - Quillen College of Medicine
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Insurance Plans Accepted by Dr. Mark Charles Nitzberg

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mark Charles Nitzberg has the following 2 specialties

Specialty Expertise

Dr. Mark Charles Nitzberg 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

37 Years Experience

MEDICAL LICENSE

Medical Doctor, New Hampshire, 2027, Active
Medical Doctor, Massachusetts, 2026, Active

EDUCATION & TRAINING

Residency

University Of Connecticut Health Center

Medical School

University Of Massachusetts Medical SchoolGraduated in 1989

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Frequently Asked Questions

Which hospitals is Dr. Mark Nitzberg affiliated with?
Dr. Mark Nitzberg is affiliated with Merrimack Health Methuen Hospital and Merrimack Health Lawrence Hospital.
How can I make an appointment with Dr. Mark Nitzberg?
You can find contact information for Dr. Mark Nitzberg here on Vitals.
Does Dr. Mark Nitzberg accept my insurance?
You can see the insurance plans that Dr. Mark Nitzberg accepts on their Vitals profile.
Does Dr. Mark Nitzberg accept virtual/telehealth appointments?
Dr. Mark Nitzberg has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Mark Nitzberg accepting new patients?
Dr. Mark Nitzberg has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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