Schedule an Appointment

ONS Greenwich CT physicians officePatients who are new to ONS or who have not visited our offices in more than a year, should complete a medical history and patient registration form online via the ONS Patient Portal.

If you do not pre- register via the portal, please download and complete the two forms below and arrive 20 minutes before your scheduled appointment to complete paperwork. This will help to expedite check-in.

Please also bring:

  • Current insurance card
  • List of current medications and medical conditions
  • Primary-care physician address and phone number 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.

Forms to download, fill out and bring to your appointment:

Patient Registration Form 2014

Health History Form 2014

Attention: Oxford and Aetna Patients – Does your insurance plan require an in-network referral?

Please check the back of your insurance card and see if there is a box that says In-network Referral Required.  If so, you will need to get an insurance referral from an in-network primary care physician, pediatrician or OBGYN.

Please note, if we verify your insurance and find that you need a referral, you will not be able to be seen by the doctor until you get one from an in-network physician.

Click here to request an appointment with one of our physicians

Greenwich and Stamford Office Hours:

Monday through Friday
8:30 a.m. to 5:00 p.m.

To make an appointment, call (203) 869-1145 during office hours, or request an appointment online.  Please have your insurance card ready when you call.

If you are unable to keep a scheduled appointment, please notify our office as soon as possible.

Please note: Payment is due at time of service for private pay patients.

ONS @Tully Health Center in Stamford

To make an appointment with neurosurgeon Scott L. Simon, MD or Gloria Cohen, MD (Tuesdays), call (203) 487-0363, Monday through Friday between 8:30 am and 5:00 pm.

Patient Portal

Patients who are new to ONS or have not visited our offices in more than a year should register on our Patient Portal to complete all the necessary forms online. To join the patient portal, click here and follow the instructions.


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