Psychologist | Clinical Psychology | 28+ years experience

Dr. Gregory Irving Mack, PH.D.

345 Kear St, Suite 202, Yorktown Heights, New York, 10598-4425

About Dr. Gregory Irving Mack

Dr. Gregory Irving Mack is a psychologist based in Yorktown Heights, New York with 28 years of experience in Clinical Psychology. He completed his graduation in 1998. 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. Gregory Irving Mack is 016597 for Clinical Psychology in New York. His current practice location is 345 Kear St, Suite 202, Yorktown Heights. Patients can contact him at 845-282-3367 or can fax him at 914-743-1613. Dr. Gregory Irving Mack, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1669523106.

Dr. Gregory Irving Mack 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. Gregory Irving Mack'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. Gregory Irving Mack
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 28+ years
Graduation Year 1998
Gender Male
Practice Address: 345 Kear St, Suite 202
Yorktown Heights, NY - 10598-4425
Fax 914-743-1613

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 3971899782
Enrollment ID I20160902001557
NPI Number1669523106
NPI Enumeration Date: 12 Jan, 2007
NPI Last Update On: 25 Feb, 2017

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. Gregory Irving Mack are as mentioned below.

License NumberSpecializationStateStatus
016597Clinical Psychology New YorkPrimary
016597Forensic Psychology New YorkSecondary
016597Cognitive & Behavioral Psychology New YorkSecondary
016597Family Psychology New YorkSecondary
016597Group Psychotherapy New YorkSecondary

Other Medical Identifiers

Other professional identifiers associated with Dr. Gregory Irving Mack such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
03577942MedicaidNew 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. Gregory Irving Mack
Po Box 533,
Shrub Oak, NY - 10588-0533
Phone: 845-282-3367
Fax: 914-743-1613

Book an Appointment with Dr. Gregory Irving Mack

To schedule an appointment, contact Dr. Gregory Irving Mack at 345 Kear St, Suite 202, Yorktown Heights, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregory Irving Mack:

Dr. Gregory Irving Mack 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.

Dr. Gregory Irving Mack has approximately 28 years of experience in Clinical Psychology.

Yes, Dr. Gregory Irving Mack accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Gregory Irving Mack 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. Gregory Irving Mack practices at 345 Kear St, Suite 202, Yorktown Heights, New York, 10598-4425.

To schedule an appointment with Dr. Gregory Irving Mack, please contact the office at 845-282-3367.

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