We are not offering online appointment scheduling at this time. To make an appointment, please call your provider’s office directly or contact the Main Line Health Contact Center at 1.866.225.5654. New visitor policy as of March 13, 2020. Learn more about Main Line Health’s Covid-19 response.
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Ari Greis, DO

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Locations and Appointments


825 Old Lancaster Road, Suite 100
Bryn Mawr, PA 19010
  • Phone: 800.321.9999
  • Fax: 215.503.0588
  • Accessibility: Public Transportation

Rothman Institute King Of Prussia
234 Mall Boulevard, Suite G-10
King of Prussia, PA 19406
  • Phone: 800.321.9999
  • Fax: 610..
  • Accessibility: Public Transportation

Do you have questions or are you looking for help in choosing the right provider?

Call 1.866.CALL.MLH (1.866.225.5654), Monday through Friday between 8:00 am–6:00 pm ET, to speak with a member of our referral staff who can help find the doctor who is right for you.

About Ari Greis, DO

  • Language: English
Specialties Accepting New Patients
Primary Affiliation

Education

Medical school
  • Philadelphia College of Osteopathic Medicine
Residency
  • University of Washington Medical Center

*Members of the Main Line Health medical staff are affiliated with Bryn Mawr Hospital, Lankenau Medical Center, Paoli Hospital and Riddle Hospital. Membership on the medical staff of any of our hospitals does not constitute an employment or agency relationship.