Browse Health
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 (8)

The overall average patient rating of Dr. John Cai is Excellent. Dr. Cai has been reviewed by 15 patients who have provided 8 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.8
Courteous Staff 4.0
Accurate Diagnosis 4.3
Bedside Manner 4.2
Spends Time with Me 4.3
Follows Up After Visit 4.1

Specialties & Research

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Cai graduated from Shanghai Jiao Tong University. He has 2 awards.

Patients' Choice Award (2008 - 2009, 2011 - 2012, 2014)
Compassionate Doctor Recognition (2011 - 2012, 2014)


Dr. Cai has 9 hospital affiliations:

  • Catholic Health System - Mercy Hospital of Buffalo 
  • St Elizabeth Medical Center 


  • Arabic
  • Mandarin
  • French
  • Hindi
  • Russian
  • Spanish
  • Vietnamese
  • Albanian

> > > > Dr. John Cai, MD

Similar doctors nearby

Dr. Michael Snyderman

Internal Medicine
44 years experience
Buffalo, NY

Dr. Jadab Bhattacharyya

Internal Medicine
48 years experience
Buffalo, NY

Dr. Jose Perez-Brache

Internal Medicine
28 years experience
Buffalo, NY

Dr. Anthony Markello

Internal Medicine
49 years experience
Buffalo, NY

Dr. Anthony Bonner

Internal Medicine
43 years experience
Buffalo, NY

Dr. Sittampalam Rasalingam

Internal Medicine
42 years experience
Buffalo, NY
Search All Similar Doctors
Additional Information
Dr. John J Cai MD is a male Internist, has 26 years of experience and practices in Internal Medicine, Cardiovascular Disease, and Cardiology.
Where does Dr. John J. Cai practice?
Dr. John Cai has 3 office locations.
Dr. John Cai practices Internal Medicine, Cardiovascular Disease, and Cardiology near Buffalo, NY.
Additional practice locations include: New Hartford, NY.
See Buffalo Internists and Buffalo Cardiologists.