Summary

Dr. John Zawacki specializes in gastroenterology and internal medicine, bringing extensive expertise to digestive health and comprehensive adult care. He earned his medical degree from Tufts University School of Medicine and completed his residency at New England Medical Center. With 58 years of experience in medicine, Dr. Zawacki has developed deep knowledge in treating complex digestive disorders and providing primary care services. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Zawacki practices at UMass Memorial Medical Center in Worcester, Massachusetts, where he provides comprehensive gastroenterology and internal medicine services. His extensive experience enables him to diagnose and treat a wide range of digestive conditions while also managing general health concerns through his internal medicine background. Patients consistently rate their care highly, giving him an average rating of 4.7 out of 5 stars. His bilingual abilities help ensure clear communication with Spanish-speaking patients throughout their treatment journey.
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Overview based on verified provider data

Quick Facts

  • 4.7
  • 58 years of experience
  • speaks English, Spanish
  • New England Medical Center
  • 2 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 2 hospital affiliations
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

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Dr. John Kendrew Zawacki, MDTheresa Obonyano, APRNAshley Anderson, APRNJan Seiler, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
58 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Worcester , MASacramento , CASacramento , CAMontgomery , AL
Med School: TUFTS UNIVERSITY SCHOOL OF MEDICINE Med School: The University of Texas Health Science Center at Houston Med School: East Tennessee State University - Quillen College of Medicine Med School: Georgia State University
Current Profile
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Insurance Plans Accepted by Dr. John Kendrew Zawacki

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

Medical Specialties

Dr. John Kendrew Zawacki has the following 2 specialties

Specialty Expertise

Dr. John Kendrew Zawacki has the following 12 areas of expertise

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

Certifications, License, & Education

58 Years Experience

Education & Training

Residency

Completed their residency at New England Medical Center.

Medical School

Graduated from TUFTS UNIVERSITY SCHOOL OF MEDICINE and Tufts University School Of Medicine in 1968.

NPI Number

Dr. Zawacki's NPI number is 1215910427.

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Frequently Asked Questions

Is Dr. John Zawacki accepting new patients?
Dr. John Zawacki has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. John Zawacki accept my insurance?
You can see the insurance plans that Dr. John Zawacki accepts on their Vitals profile.
Which hospitals is Dr. John Zawacki affiliated with?
Dr. John Zawacki is affiliated with Umass Memorial Medical Center and Umass Memorial Medical Center.
Does Dr. John Zawacki accept virtual/telehealth appointments?
Dr. John Zawacki has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. John Zawacki speak?
Dr. John Zawacki speaks English and Spanish.

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