ONS Harrison, NY

ONS Physicians’ Office and Physical Therapy Center
500 Mamaroneck Avenue, Suite 103, South Entrance, Harrison, NY 10528

Make an appointment online or call 203-869-1145 or 800-999-9ONS.

Physician Hours

Physical Therapy Hours

Monday- Friday
8:00 a.m. to 5:00 p.m.

Monday – Friday
6:30 a.m. to 6:30 p.m.

7:00 a.m. to 12:00 pm

Physicians in Harrison

Jonathan Berliner, MD    Hip and Knee Replacement & Revision
Mark Camel, MD   Neurosurgery
Michael Clain, MD   Foot and Ankle
Demetris Delos, MD   Sports Medicine, Shoulder & Knee
Tim Greene, MD   Sports Medicine, Hip & Knee
Marc Kowalsky, MD   Sports Medicine, Shoulder, Elbow & Knee
Alex Levchenko, DO   Interventional Physiatry, Sports Medicine, EMG
Seth Miller, MD   Shoulder
Paul Sethi, MD   Sports Medicine, Shoulder, Elbow & Knee
David Wei, MD   Hand, Wrist & Elbow
Mark Yakavonis, MD   Foot and Ankle

Harrison Physical Therapists

Feyisara Adaramola, DPT
Matthew P. Dunning, DPT
Jennifer Kern, DPT
Ilanna Schwalbe, OTR, CHT
Robert Spatz, BSPT, MPA, CKTP, Clinic Director
Omoloola “Lola” Ogunleye, DPT, OCS

New Patients or patients who have not visited ONS in more than a year, please arrive 15 minutes prior to your scheduled appointment time to complete your registration or save time by completing the forms online through the Patient Portal.  Also please also bring the following to your appointment:

  • Insurance card
  • List of current medications and medical conditions
  • Primary-care physician address and phone, and contact information for other physicians involved with your care
  • Recent diagnostic images such as CTs, MRIs, x-rays, bone scans, or EMGs. Bring both original films and copies of reports.