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Dr. Ari Greis, DO
Physiatrist (physical, rehabilitation)
9 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

Patient comments (4)

The overall average patient rating of Dr. Ari Greis is Good. Dr. Greis has been reviewed by 9 patients who have provided 4 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 4.4
Courteous Staff 4.4
Accurate Diagnosis 3.2
Bedside Manner 3.0
Spends Time with Me 2.9
Follows Up After Visit 3.3

Specialties & Research

Dr. Ari Greis, DO is board certified in Physical Medicine & Rehabilitation.

  • He has special expertise in 1 area:
  • Shoulder Pain

Education & Awards

Dr. Greis graduated from Philadelphia College of Osteopathic Medicine. He has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. Greis has 7 hospital affiliations:

  • Main Line Hospital - Bryn Mawr 
  • Bryn Mawr Rehabilitation Hospital 


  • English
  • Spanish

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Additional Information
Dr. Ari Chaim Greis DO is a male Physical Medicine/Rehab Specialist, has 9 years of experience and practices in Physical Medicine & Rehabilitation.
Where does Dr. Ari C. Greis practice?
Dr. Ari Greis has 2 office locations.
Dr. Ari Greis practices Physical Medicine & Rehabilitation near King Of Prussia, PA.
Additional practice locations include: Sewell, NJ.
See King Of Prussia Physiatrists.