Psychiatrist | 38+ years experience

Dr. Stephan Anthony Mayer, M.D.

Westchester Medical Center Advanced Physician Services, 100 Woods Road, Valhalla, New York, 10595

About Dr. Stephan Anthony Mayer

Dr. Stephan Anthony Mayer is a psychiatrist based in Valhalla, New York with 38 years of experience in Psychiatry. He completed his graduation from Js Weill Medical College, Cornell University in 1988. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Stephan Anthony Mayer is 182231 for Psychiatry in New York. His current practice location is Westchester Medical Center Advanced Physician Services, 100 Woods Road, Valhalla. Patients can contact him at 914-493-5098. Dr. Stephan Anthony Mayer, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1538258538.

Dr. Stephan Anthony Mayer specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. Stephan Anthony Mayer'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. Stephan Anthony Mayer
Specialization Psychiatry
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 38+ years
Medical School Attended Js Weill Medical College, Cornell University
Graduation Year 1988
Gender Male
Practice Address: Westchester Medical Center Advanced Physician Services, 100 Woods Road
Valhalla, NY - 10595

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.

PAC ID 3971797374
Enrollment ID I20101029000863
NPI Number1538258538
NPI Enumeration Date: 11 Oct, 2006
NPI Last Update On: 30 Oct, 2020

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. Stephan Anthony Mayer are as mentioned below.

License NumberSpecializationStateStatus
182231Psychiatry New YorkPrimary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(330234)Valhalla, NYAcute Care Hospital

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Stephan Anthony Mayer is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Westchester Medical Center Advanced Physician Services Pc (3173660776)645

Other Medical Identifiers

Other professional identifiers associated with Dr. Stephan Anthony Mayer such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
01522861MedicaidNew York

Mailing Address

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

Dr. Stephan Anthony Mayer
Westchester Medical Center Advanced Physician Services, 19 Bradhurst Avenue, Suite 3100n
Hawthorne, NY - 10532
Phone: 914-909-9018
Fax: 914-909-9028

Book an Appointment with Dr. Stephan Anthony Mayer

To schedule an appointment, contact Dr. Stephan Anthony Mayer at Westchester Medical Center Advanced Physician Services, 100 Woods Road, Valhalla, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Stephan Anthony Mayer:

Dr. Stephan Anthony Mayer is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Dr. Stephan Anthony Mayer completed his education (M.D.) from Js Weill Medical College, Cornell University in 1988.

Dr. Stephan Anthony Mayer has approximately 38 years of experience in Psychiatry.

Yes, Dr. Stephan Anthony Mayer accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Stephan Anthony Mayer 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. Stephan Anthony Mayer practices at Westchester Medical Center Advanced Physician Services, 100 Woods Road, Valhalla, New York, 10595.

To schedule an appointment with Dr. Stephan Anthony Mayer, please contact the office at 914-493-5098.

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