Summary

Dr. Andrew Duffy is a surgeon with three decades of experience treating patients throughout Connecticut. He earned his medical degree from the University of Massachusetts Medical School and completed his residency at UMass Memorial Medical Center. Dr. Duffy specializes in surgical care and speaks English.

Dr. Duffy practices at multiple Yale New Haven Health locations across New Haven, Bridgeport, and Norwalk. He treats patients with various types of hernias, including ventral, inguinal, and sports hernias. His practice includes comprehensive patient evaluations and coordinated care approaches. Patients have given him an average rating of 3.8 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 30 years of experience
  • speaks English
  • Umass Memorial Medical Center
  • 9 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 4 hospital affiliations
  • 5 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Andrew John Duffy has 5 locations

Yale Medicine

333 Cedar StNew Haven, CT 06510
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

Yale New Haven Hospital

20 York StNew Haven, CT 06510

Yale New Haven Health Bridgeport Hospital

267 Grant StBridgeport, CT 06610

Norwalk Hospital

34 Maple StNorwalk, CT 06850

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Dr. Andrew John Duffy, MD
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Dr. Andrew John Duffy, MDDr. Shawna Marie Kettyle, MDDr. David Hugo Stitelman, MDDr. Oloef Viktorsdottir, MD
SurgerySurgerySurgeryAnesthesiology
Accepts New Patients Accepts New Patients
3.8 
30 Years of Experience 14 Years of Experience 22 Years of Experience 22 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish Speaks English
New Haven , CTBridgeport , CTNew Haven , CTNew Haven , CT
Med School: University Of Massachusetts Medical School Med School: University Of Virginia School Of Medicine Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: University Of Iceland Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Andrew John Duffy

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Andrew John Duffy has the following specialty

Specialty Expertise

Dr. Andrew John Duffy has the following 7 areas of expertise

  • Appendicitis
  • Colon Cancer
  • Diverticulitis
  • Gastrointestinal Cancer
  • Gastroparesis
  • Inflammatory Bowel Diseases (IBD)
  • Ulcerative Colitis

Certifications, License, & Education

30 Years Experience

Dr. Andrew John Duffy holds an active medical license in the state of Connecticut.

Medical License

Medical Doctor with an active medical license in the state of Connecticut that expired in 2026.

Education & Training

Residency

Completed their residency at Umass Memorial Medical Center.

Medical School

Graduated from University Of Massachusetts Medical School in 1996.

NPI Number

Dr. Duffy's NPI number is 1386686152.

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Frequently Asked Questions

Is Dr. Andrew Duffy accepting new patients?
Dr. Andrew Duffy is accepting new patients on Vitals. View Dr. Andrew Duffy's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Andrew Duffy?
You can find contact information for Dr. Andrew Duffy here on Vitals.
What languages does Dr. Andrew Duffy speak?
Dr. Andrew Duffy speaks English.
Where is Dr. Andrew Duffy's office located?
Dr. Andrew Duffy's office is located at 333 Cedar St, New Haven, CT, 06510.
Does Dr. Andrew Duffy accept my insurance?
You can see the insurance plans that Dr. Andrew Duffy accepts on their Vitals profile.

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