Psychologist | Clinical Psychology

Dr. Mary Siemes, PH.D.

20 Elizabeth St, Chappaqua, New York, 10514-2512

About Dr. Mary Siemes

Dr. Mary Siemes is a psychologist based in Chappaqua, New York who is specialized in Clinical Psychology. Active license number of Dr. Mary Siemes is 014337-1 for Clinical Psychology in New York. Her current practice location is 20 Elizabeth St, Chappaqua. Patients can contact her at 914-238-6100 or can fax her at 914-238-6100. Dr. Mary Siemes, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1396140844.

Dr. Mary Siemes is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Mary Siemes's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Mary Siemes
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 20 Elizabeth St,
Chappaqua, NY - 10514-2512
Fax 914-238-6100

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1396140844
NPI Enumeration Date: 27 Oct, 2014
NPI Last Update On: 27 Oct, 2014

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Mary Siemes are as mentioned below.

License NumberSpecializationStateStatus
014337-1Clinical Psychology New YorkPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Mary Siemes
20 Elizabeth St,
Chappaqua, NY - 10514-2512

Book an Appointment with Dr. Mary Siemes

To schedule an appointment, contact Dr. Mary Siemes at 20 Elizabeth St, Chappaqua, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary Siemes:

Dr. Mary Siemes is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Mary Siemes is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Mary Siemes practices at 20 Elizabeth St, Chappaqua, New York, 10514-2512.

To schedule an appointment with Dr. Mary Siemes, please contact the office at 914-238-6100.

Reviews & Feedback

Have you visited Dr. Mary Siemes? Share your experience to help others looking for a psychologist in Chappaqua, NY.

Read Reviews / Give Feedback
**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.