Browse Health
38 years of experience
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

Have you visited Dr. Clark? Share your experience.
Write a Review

Specialties & Research

Dr. John Clark, MD is board certified in Internal Medicine.

Education & Awards

Dr. Clark graduated from State University of New York at Buffalo.


Dr. Clark has 3 hospital affiliations:

  • Kaleida Health - Buffalo General Hospital 
  • Millard Fillmore Hospital 
  • Mount St Mary's Hospital & Health Center 


  • Arabic
  • Russian
  • Spanish

> > > > Dr. John Clark, MD

Similar doctors nearby

Dr. Michael Tinnesz

Internal Medicine
Buffalo, NY

Dr. Ziya Bilen

Internal Medicine
31 years experience
Buffalo, NY

Dr. Aamir Sheikh

Internal Medicine
22 years experience
Buffalo, NY

Dr. Monica Mahajan

Internal Medicine
16 years experience
Buffalo, NY

Dr. Michael Noe

Internal Medicine
43 years experience
Buffalo, NY

Dr. Murali Nagubandi

Internal Medicine
34 years experience
Buffalo, NY
Search All Similar Doctors
Additional Information
Dr. John Howard Clark MD is a male Internist, has 38 years of experience and practices in Internal Medicine.
Where does Dr. John H. Clark practice?
Dr. John Clark has 2 office locations.
Dr. John Clark practices Internal Medicine near Buffalo, NY.
See Buffalo Internists.