3
2 Ratings with 1 written Review
Summary
Dr. Margaret Callahan is a board-certified oncologist and hematologist who specializes in treating cancer and blood disorders. She earned her medical degree from the University of Connecticut School of Medicine and completed her residency at the University of California at San Francisco. With 19 years of experience in cancer care, Dr. Callahan has developed expertise in diagnosing and treating complex oncological conditions.
Dr. Callahan practices at Memorial Sloan Kettering Cancer Center and UConn John Dempsey Hospital, with locations in New York, New York and Farmington, Connecticut. She focuses on treating various types of cancer, including melanoma, basal cell skin cancer, and lung cancer. Her diagnostic expertise includes performing CT scans, chest CT imaging, and specialized CT enterography procedures. Patients rate Dr. Callahan 3.0 out of 5 stars on average.
Dr. Callahan practices at Memorial Sloan Kettering Cancer Center and UConn John Dempsey Hospital, with locations in New York, New York and Farmington, Connecticut. She focuses on treating various types of cancer, including melanoma, basal cell skin cancer, and lung cancer. Her diagnostic expertise includes performing CT scans, chest CT imaging, and specialized CT enterography procedures. Patients rate Dr. Callahan 3.0 out of 5 stars on average.
AI-generated from data on this provider profile.
Quick Facts
- 19 years of experience
- University Of California At San Francisco
- 1 written review
- 2 specialties
- 6 areas of expertise
- 2 board certifications
- 2 hospital affiliations
- 5 office locations
- Female
Office Locations
Dr. Margaret Kathleen Callahan has 5 locationsUconn Health Carole And Ray Neag Comprehensive Cancer Center
263 Farmington AveFarmington, CT 06030 Tel: (860) 679-2100
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Margaret Kathleen Callahan, MD | Dr. Zachary Seth Cavanaugh, MD | Genice T Nelson | Jill S Keller |
| Oncology | Orthopedic Surgery | Nurse Practitioner | Nurse Practitioner |
| Accepts New Patients | Accepts New Patients | ||
| 19 Years of Experience | 12 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Spanish, English | ||
| Farmington , CT | Middletown , CT | Farmington , CT | Bridgeport , CT |
| Med School: UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE | Med School: University Of Connecticut School Of Medicine | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Margaret Kathleen Callahan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Margaret Kathleen Callahan has the following 2 specialties
Specialty Expertise
Dr. Margaret Kathleen Callahan has the following 6 areas of expertise
Certifications, License, & Education
19 Years Experience
MEDICAL LICENSE
Medical Doctor, Connecticut, 2026, Active
EDUCATION & TRAINING
Residency
University Of California At San Francisco
Medical School
UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINEGraduated in 2008
University Of Connecticut School Of MedicineGraduated in 2007
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Frequently Asked Questions
- Where is Dr. Margaret Callahan's office located?
- Dr. Margaret Callahan's office is located at 263 Farmington Ave, Farmington, CT, 06030.
- How can I make an appointment with Dr. Margaret Callahan?
- You can find contact information for Dr. Margaret Callahan here on Vitals.
- Does Dr. Margaret Callahan accept virtual/telehealth appointments?
- Dr. Margaret Callahan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Margaret Callahan affiliated with?
- Dr. Margaret Callahan is affiliated with Memorial Sloan Kettering Cancer Center and Uconn John Dempsey Hospital.
- Does Dr. Margaret Callahan accept my insurance?
- You can see the insurance plans that Dr. Margaret Callahan accepts on their Vitals profile.
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