Browse Health
Internist, Hematology Specialist, Oncology Specialist (cancer)
22 years of experience
Video profile
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. John Leighton is Excellent. Dr. Leighton has been reviewed by 13 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.2
Courteous Staff 5.0
Accurate Diagnosis 4.7
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.5

Specialties & Research

Dr. John Leighton, MD is board certified in Internal Medicine, Hematology, and Medical Oncology.

  • He has special expertise in 10 areas:
  • Acute Myeloid Leukemia
  • Breast Diseases
  • Cancer
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Gastrointestinal Cancer
  • Hepatitis C
  • Hepatocellular Carcinoma
  • Leukemia

Education & Awards

Dr. Leighton graduated from Temple University Physicians, Philadelphia. He has 5 awards.

Castle Connolly America's Top Doctors® (2009, 2013 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2009, 2014 - 2015)
Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2011 - 2012, 2014)
Compassionate Doctor Recognition (2011 - 2012, 2014)


Dr. Leighton has 10 hospital affiliations:

  • Chestnut Hill Hospital 
  • Montgomery Hospital XXXXX 

> > > > Dr. John Leighton, MD

Similar doctors nearby

Dr. George Yesenosky

Internal Medicine
13 years experience
Philadelphia, PA

Dr. Jacob Goldstein

Internal Medicine
Philadelphia, PA

Dr. George Samuel

Internal Medicine
16 years experience
Philadelphia, PA

Dr. Makram Kalian

Internal Medicine
37 years experience
Philadelphia, PA

Dr. Jeffrey Tokar

Internal Medicine
14 years experience
Philadelphia, PA

Dr. Jitha Rai

Internal Medicine
9 years experience
Philadelphia, PA
Search All Similar Doctors
Additional Information
Dr. John Leighton MD is a male Internist, has 22 years of experience and practices in Internal Medicine, Hematology, and Medical Oncology.
Where does Dr. John Leighton practice?
Dr. John Leighton has 4 office locations.
Dr. John Leighton practices Internal Medicine, Hematology, and Medical Oncology near Philadelphia, PA.
Additional practice locations include: Elkins Park, PA.
See Philadelphia Internists, Philadelphia Hematologists, and Philadelphia Oncologists.