Summary

Dr. Jeremy Kortmansky treats colorectal cancer, colon cancer, and metastatic or recurrent colorectal cancer, and performs CT scans and home infusion therapy. He practices oncology and internal medicine and has 30 years of experience. He speaks English and Spanish.

He earned his medical degree from Northwestern University Feinberg School of Medicine and is affiliated with Yale New Haven Hospital, Bridgeport Hospital Milford Main Campus, and Griffin Hospital. He sees patients in North Haven and Derby, Connecticut.

Overview based on verified provider data

Quick Facts

  • 3.4
  • 30 years of experience
  • speaks English, Spanish
  • Northwestern University Feinberg School Of Medicine
  • 8 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Jeremy Seth Kortmansky has 4 locations

Smilow Cancer Hospital Care Center North Haven

6 Devine St Ste 4North Haven, CT 06473
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

North Haven Medical Center Digestive Health

6 Devine StNorth Haven, CT 06473

Griffin Hospital

130 Division StDerby, CT 06418

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Dr. Jeremy Seth Kortmansky, MD
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Dr. Jeremy Seth Kortmansky, MDDr. Genevieve Amora C John, MDDr. James Patrick Gavin, MDDr. Kenneth Berwick Roberts, MD
OncologyInfectious DiseaseNephrologyRadiation Oncology
Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
3.2 
4 
5 
30 Years of Experience 31 Years of Experience 41 Years of Experience 42 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English, Spanish Speaks English, Spanish
North Haven , CTCoral Springs , FLBridgeport , CTNew Haven , CT
Med School: Northwestern University Feinberg School Of Medicine Med School: St Georges University School Of Medicine Med School: Hahnemann University School Of Medicine Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jeremy Seth Kortmansky

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

Medical Specialties

Dr. Jeremy Seth Kortmansky has the following 2 specialties

Specialty Expertise

Dr. Jeremy Seth Kortmansky has the following 11 areas of expertise

  • Breast Cancer
  • Cancer
  • Colorectal Cancer
  • Gastrointestinal Cancer
  • Hepatocellular Carcinoma
  • Internal Medicine
  • Liver Cancer
  • Lung Cancer
  • Lymphoma
  • Pancreatic Cancer
  • Stomach Cancer

Certifications, License, & Education

30 Years Experience

Dr. Jeremy Seth Kortmansky holds an expired medical license in the state of Connecticut.

Medical License

Medical Doctor with an expired medical license in the state of Connecticut that expired in 2025.

Education & Training

Medical School

Graduated from Northwestern University Feinberg School Of Medicine in 1996.

NPI Number

Dr. Kortmansky's NPI number is 1801835756.

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Frequently Asked Questions

Is Dr. Jeremy Kortmansky accepting new patients?
Dr. Jeremy Kortmansky has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Jeremy Kortmansky accept my insurance?
You can see the insurance plans that Dr. Jeremy Kortmansky accepts on their Vitals profile.
Does Dr. Jeremy Kortmansky accept virtual/telehealth appointments?
Dr. Jeremy Kortmansky has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Jeremy Kortmansky speak?
Dr. Jeremy Kortmansky speaks English and Spanish.
Which hospitals is Dr. Jeremy Kortmansky affiliated with?
Dr. Jeremy Kortmansky is affiliated with Yale New Haven Hospital, Bridgeport Hospital Milford Main Campus, and Griffin Hospital.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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