Psychologist | General Psychology

Dr. John Firkus, PHD

536 Silver Maple Dr, Hercules, California, 94547-2310

About Dr. John Firkus

Dr. John Firkus is a psychologist based in Hercules, California who is specialized in General Psychology. Active license number of Dr. John Firkus is 0134884 for General Psychology in Vermont. His current practice location is 536 Silver Maple Dr, Hercules. Patients can reach him at 619-299-9061. Dr. John Firkus is PHD in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1578389573.

Dr. John Firkus 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 Firkus 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 Dr. John Firkus
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 536 Silver Maple Dr,
Hercules, CA - 94547-2310

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 Number1578389573
NPI Enumeration Date: 25 Nov, 2024
NPI Last Update On: 25 Nov, 2024

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 Dr. John Firkus are as mentioned below.

License NumberSpecializationStateStatus
0134884General Psychology VermontPrimary

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 Firkus
536 Silver Maple Dr,
Hercules, CA - 94547-2310
Phone: 619-299-9061

Book an Appointment with Dr. John Firkus

To schedule an appointment, contact Dr. John Firkus at 536 Silver Maple Dr, Hercules, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

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

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

Dr. John Firkus practices at 536 Silver Maple Dr, Hercules, California, 94547-2310.

To schedule an appointment with Dr. John Firkus, please contact the office at 619-299-9061.

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