Psychologist | Clinical Psychology | 40+ years experience

Dr. Don Michael Greif, PHD

603 West 111th St, Suite 5e, New York, New York, 10025-1805

About Dr. Don Michael Greif

Dr. Don Michael Greif is a psychologist based in New York, New York with 40 years of experience in Clinical Psychology. He completed his graduation in 1986. 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. Don Michael Greif is 0093471 for Clinical Psychology in New York. His current practice location is 603 West 111th St, Suite 5e, New York. Patients can contact him at 212-666-3550. Dr. Don Michael Greif, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1275733271.

Dr. Don Michael Greif 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. Don Michael Greif'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. Don Michael Greif
Specialization Clinical Psychology
Credentials PHD
Accepts Medicare Assignment Yes
Experience 40+ years
Graduation Year 1986
Gender Male
Practice Address: 603 West 111th St, Suite 5e
New York, NY - 10025-1805

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 2163505496
Enrollment ID I20080211000302
NPI Number1275733271
NPI Enumeration Date: 19 Jul, 2007
NPI Last Update On: 19 Jul, 2007

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. Don Michael Greif are as mentioned below.

License NumberSpecializationStateStatus
0093471Clinical 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. Don Michael Greif
603 West 111th St, Suite 5e
New York, NY - 10025-1805
Phone: 212-666-3550

Book an Appointment with Dr. Don Michael Greif

To schedule an appointment, contact Dr. Don Michael Greif at 603 West 111th St, Suite 5e, 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. Don Michael Greif:

Dr. Don Michael Greif 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. Don Michael Greif has approximately 40 years of experience in Clinical Psychology.

Yes, Dr. Don Michael Greif accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Don Michael Greif 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. Don Michael Greif practices at 603 West 111th St, Suite 5e, New York, New York, 10025-1805.

To schedule an appointment with Dr. Don Michael Greif, please contact the office at 212-666-3550.

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