Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. John Fallon III does not yet have any reviews.

Have you seen Dr. John Fallon III before?
Be the first to review!


Dr. John Fallon III, MD, PHD is a Doctor primarily located in New York, NY, with other offices in Valhalla, NY and Putnam Valley, NY. He has 42 years of experience. His specialties include Pathology. Dr. Fallon is affiliated with Westchester Medical Center, Mt Sinai Hospital and Westchester Medical Center. He speaks English.


Find out the languages this doctor/ or staff may speak.


Learn where this doctor attended medical school.

Specialties & Expertise

Dr. John Fallon III has the following 6 areas of expertise, 1 specialty and 1 board certification.


A pathologist is a physician who specializes in the causes and paths taken by different diseases in order to accurately diagnose an illness.
Pathologists diagnose and determine the characteristics of a disease through the study of biopsies of diseased tissue or of bodily fluids. For example, a pathologist will look at a biopsy of a skin lesion in order to diagnose or rule out skin cancer. A pathologist will also look at a Pap smear in order to check for a gynecological cancer like cancer of the uterus.
In addition to determining the cause and development of a disease, these specialists also study the changes a disease makes to a body and the consequences of those structural changes.


See areas of expertise for treating specific conditions, procedures and surgeries for this doctor.

Board Certification

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.

Locations & Directions


1428 Madison Ave
New York, NY 10029

Westchester Medical Center

100 Woods Rd
Valhalla, NY 10595

201 Waterside Professional Park
Putnam Valley, NY 10579

Nearby Doctors

Dr. John Fallon III, MD, PHD is similar to these 3 Doctors near New York, NY.