Psychologist | Clinical Psychology

John G Guinan, PHD

80 Maiden Ln Rm 1003, New York, New York, 10038-4761

About John G Guinan

John G Guinan is a psychologist based in New York, New York who is specialized in Clinical Psychology. Active license number of John G Guinan is 004421 for Clinical Psychology in New York. His current practice location is 80 Maiden Ln Rm 1003, New York. Patients can reach him at 212-509-2411. John G Guinan is PHD in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1316431596.

John G Guinan 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

John G Guinan speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name John G Guinan
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 80 Maiden Ln Rm 1003,
New York, NY - 10038-4761

Professional Identification Codes

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

NPI Number1316431596
NPI Enumeration Date: 20 Jun, 2018
NPI Last Update On: 20 Jun, 2018

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John G Guinan are as mentioned below.

License NumberSpecializationStateStatus
004421Clinical 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.

John G Guinan
80 Maiden Ln Rm 1003,
New York, NY - 10038-4761

Book an Appointment with John G Guinan

To schedule an appointment, contact John G Guinan at 80 Maiden Ln Rm 1003, New York, New York or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John G Guinan:

John G Guinan 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, John G Guinan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

John G Guinan practices at 80 Maiden Ln Rm 1003, New York, New York, 10038-4761.

To schedule an appointment with John G Guinan, please contact the office at 212-509-2411.

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