Psychologist | General Psychology

Dr. John Zager, PH.D.

4700 Berwyn House Rd, Suite 105, College Park, Maryland, 20740-2474

About Dr. John Zager

Dr. John Zager is a psychologist based in College Park, Maryland who is specialized in General Psychology. Active license number of Dr. John Zager is 02029 for General Psychology in Maryland. His current practice location is 4700 Berwyn House Rd, Suite 105, College Park. Patients can contact him at 301-537-7284 or can fax him at 301-474-0432. Dr. John Zager, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1366500894.

Dr. John Zager is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. John Zager'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 Zager
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 4700 Berwyn House Rd, Suite 105
College Park, MD - 20740-2474
Fax 301-474-0432

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 Number1366500894
NPI Enumeration Date: 05 Dec, 2006
NPI Last Update On: 08 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. John Zager are as mentioned below.

License NumberSpecializationStateStatus
02029General Psychology MarylandPrimary

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 Zager
9029 49th Pl,
College Park, MD - 20740-1834
Phone: 301-537-7284
Fax: 301-474-0432

Book an Appointment with Dr. John Zager

To schedule an appointment, contact Dr. John Zager at 4700 Berwyn House Rd, Suite 105, College Park, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Zager:

Dr. John Zager is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. John Zager 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 Zager practices at 4700 Berwyn House Rd, Suite 105, College Park, Maryland, 20740-2474.

To schedule an appointment with Dr. John Zager, please contact the office at 301-537-7284.

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