Psychologist | Clinical Psychology

Dr. Mark Hollander, PH.D.

80 5th Ave, 1107, New York, New York, 10011-8002

About Dr. Mark Hollander

Dr. Mark Hollander is a psychologist based in New York, New York who is specialized in Clinical Psychology. Active license number of Dr. Mark Hollander is 011500 for Clinical Psychology in New York. His current practice location is 80 5th Ave, 1107, New York. Patients can contact him at 212-969-8244. Dr. Mark Hollander, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1619949419.

Dr. Mark Hollander 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Mark Hollander'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. Mark Hollander
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 80 5th Ave, 1107
New York, NY - 10011-8002

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 Number1619949419
NPI Enumeration Date: 06 Feb, 2006
NPI Last Update On: 03 Oct, 2013

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. Mark Hollander are as mentioned below.

License NumberSpecializationStateStatus
011500Clinical 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. Mark Hollander
444 15th St, 1-l
Brooklyn, NY - 11215-5783
Phone: 212-969-8244

Book an Appointment with Dr. Mark Hollander

To schedule an appointment, contact Dr. Mark Hollander at 80 5th Ave, 1107, New York, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mark Hollander:

Dr. Mark Hollander is a psychologist specializing in Clinical Psychology. He 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Mark Hollander 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. Mark Hollander practices at 80 5th Ave, 1107, New York, New York, 10011-8002.

To schedule an appointment with Dr. Mark Hollander, please contact the office at 212-969-8244.

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