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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 (6)

The overall average patient rating of Dr. Mark Klier is Excellent. Dr. Klier has been reviewed by 14 patients who have provided 6 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.9
Courteous Staff 4.9
Accurate Diagnosis 5.0
Bedside Manner 4.9
Spends Time with Me 4.9
Follows Up After Visit 4.7

Specialties & Research

Dr. Mark Klier, MD is board certified in Pediatrics.

Education & Awards

Dr. Klier graduated from Upstate Medical University Physical Medicine and Rehabilitation, Syracuse. He has 3 awards.

Patients' Choice 5th Anniversary Award (2012)
Patients' Choice Award (2008 - 2012)
Compassionate Doctor Recognition (2011 - 2012, 2014)


Dr. Klier has 8 hospital affiliations:

  • Unity Hospital 
  • ViaHealth - Rochester General Hospital 


  • Spanish

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Additional Information
Dr. Mark A Klier MD is a male Pediatrician, has 25 years of experience and practices in Pediatrics.
Where does Dr. Mark A. Klier practice?
Dr. Mark Klier has 2 office locations.
Dr. Mark Klier practices Pediatrics near North Chili, NY.
Additional practice locations include: Spencerport, NY.
See North Chili Pediatricians.