Dr. Greis is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
825 Old Lancaster Rd Ste 100
Bryn Mawr, PA 19010Phone+1 267-339-3558Fax+1 267-339-3763
Education & Training
- University of WashingtonResidency, Physical Medicine and Rehabilitation, 2004 - 2007
- Suburban Community HospitalInternship, Transitional Year, 2003 - 2004
- Philadelphia College of Osteopathic MedicineClass of 2003
Certifications & Licensure
- PA State License 2003 - 2026
- NJ State License 2012 - 2025
- American Board of Physical Medicine and Rehabilitation Physical Medicine & Rehabilitation
Publications & Presentations
PubMed
- 9 citationsPerceived Efficacy, Reduced Prescription Drug Use, and Minimal Side Effects of Cannabis in Patients with Chronic Orthopedic Pain.Ari C. Greis, Eric Larsen, Conan Liu, Bryan Renslo, Anjithaa Radakrishnan
Cannabis and Cannabinoid Research. 2021-11-12 - 6 citationsMedical Cannabis Use Reduces Opioid Prescriptions in Patients With Chronic Back Pain.Ari Greis, Bryan Renslo, Adrianne R Wilson-Poe, Conan Liu, Anjithaa Radakrishnan
Cureus. 2022-01-01 - 6 citationsMedical Cannabis Use Reduces Opioid Prescriptions in Patients With Osteoarthritis.Bryan Renslo, Ari Greis, Conan S Liu, Anjithaa Radakrishnan, Asif M Ilyas
Cureus. 2022-01-01
Journal Articles
- Decreased flexion contracture after total knee arthroplasty using Botulinum toxin A: a randomized controlled trialEric B. Smith · Karim A. Shafi · Ari C. Greis · Mitchell G. Maltenfort ·Antonia F. Chen, European Society of Sports Traumatology, Knee Surgery, Arthroscopy, 8/5/2016
Press Mentions
- Medical Cannabis Is a Growing Remedy for Chronic Orthopedic Pain, Study RevealsJuly 17th, 2024
- Cannabis Linked to Less Opioid Use in Back Pain, OsteoarthritisMarch 26th, 2022
- Wanted: Affordable High-CBD, Low-THC ProductsNovember 26th, 2019
- Join now to see all
Professional Memberships
- Member
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: