We make every effort to keep your personal information safe and secure. In order to meet your needs, please provide all of the information required.

If you require an urgent appointment, please call the service directly. To make an appointment with a physician, you should call the physician’s office. If you are experiencing a medical emergency, please call 911 or visit your nearest emergency room.

This form only allows you to request an appointment. The registrar who receives your request will call you to confirm a date and time. Please have your doctor’s prescription and your insurance cards available when the registrar calls. We will do our best to accommodate your requested dates and times.

Appointments are not needed for Laboratory services (blood tests) or for EKGs.

Online appointment requests are not available for mental health services (counseling and substance abuse). If you would like to make an appointment for one of our mental health services, please call 914-366-3619 during business hours to be directed to the appropriate Phelps facility or call the number of the service in which you are interested. For information about ECT (inpatient or outpatient), call 914-366-3513.

Appointment Information

Counseling Services (Outpatient)

  • Phelps Counseling Service – HOSPITAL Branch, 755 North Broadway, Suite 250, Sleepy Hollow, NY 10591. (914) 366-3600. Open Monday through Friday with day and evening hours available. Bilingual (Spanish) Counseling Services available.
  • Phelps Counseling Services OSSINING Branch 22 Rockledge Avenue, Ossining, NY 10562 – (914) 944-5250 Open Monday through Friday with day, evening and hours available.

Chemical Dependency Services (Outpatient)

  • Addiction Treatment Services(ATS) 22 Rockledge Avenue, Ossining, NY 10562 – (914) 944-5220 Open Monday through Saturday, including evening programming.

ECT is provided at Phelps on an inpatient and outpatient basis. For information, please call 914-366-3513.

Our hours of operation are:
8 am – 5 pm – Monday, Tuesday, Wednesday, Friday
8 am – 7 pm – Thursday
8 am – 12 noon – Saturday
Closed – Sunday

Our hours of operation are:
8 am – 5 pm – Monday, Tuesday, Wednesday, Friday
8 am – 7 pm – Thursday
8 am – 12 noon – Saturday
Closed – Sunday

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Appointment Preference

Patient Information

This is not a final appointment. Our Outpatient Department will contact you during normal business hours to schedule your appointment date and time. We will do our best to accommodate your request.

Please have the following information available:

  • Physician's Prescription
  • Insurance Card(s)
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