Psychologist | Clinical Psychology

Dr. John Charles Brennan, PSYD

2955 Biddle Ave Ste 200, Wyandotte, Michigan, 48192-5231

About Dr. John Charles Brennan

Dr. John Charles Brennan is a psychologist based in Wyandotte, Michigan who is specialized in Clinical Psychology. Active license number of Dr. John Charles Brennan is 6301014907 for Clinical Psychology in Michigan. His current practice location is 2955 Biddle Ave Ste 200, Wyandotte. Patients can contact him at 248-470-6225 or can fax him at 734-324-1566. Dr. John Charles Brennan, PSYD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1538595244.

Dr. John Charles Brennan 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. John Charles Brennan'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. John Charles Brennan
Specialization Clinical Psychology
Credentials PSYD
Gender Male
Practice Address: 2955 Biddle Ave Ste 200,
Wyandotte, MI - 48192-5231
Fax 734-324-1566

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 Number1538595244
NPI Enumeration Date: 25 Sep, 2013
NPI Last Update On: 08 Apr, 2021

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. John Charles Brennan are as mentioned below.

License NumberSpecializationStateStatus
6301014907Clinical Psychology MichiganPrimary

Mailing Address

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

Dr. John Charles Brennan
2955 Biddle Ave Ste 200,
Wyandotte, MI - 48192-5231
Phone: 248-470-6225
Fax: 734-324-1566

Book an Appointment with Dr. John Charles Brennan

To schedule an appointment, contact Dr. John Charles Brennan at 2955 Biddle Ave Ste 200, Wyandotte, Michigan or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Charles Brennan:

Dr. John Charles Brennan 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. John Charles Brennan 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. John Charles Brennan practices at 2955 Biddle Ave Ste 200, Wyandotte, Michigan, 48192-5231.

To schedule an appointment with Dr. John Charles Brennan, please contact the office at 248-470-6225.

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