Psychologist | General Psychology | 22+ years experience

David Gregory St. John, PHD, LP

23231 Woodward Ave, Ferndale, Michigan, 48220-1361

About David Gregory St. John

David Gregory St. John is a psychologist based in Ferndale, Michigan with 22 years of experience in General Psychology. He completed his graduation in 2004. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of David Gregory St. John is 6301012887 for General Psychology in Michigan. His current practice location is 23231 Woodward Ave, Ferndale. Patients can contact him at 734-325-0491. David Gregory St. John, PHD, LP, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1760400774.

David Gregory St. John 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

David Gregory St. John'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 David Gregory St. John
Specialization General Psychology
Credentials PHD, LP
Accepts Medicare Assignment Yes
Experience 22+ years
Graduation Year 2004
Gender Male
Practice Address: 23231 Woodward Ave,
Ferndale, MI - 48220-1361

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 0648287268
Enrollment ID I20180514001946
NPI Number1760400774
NPI Enumeration Date: 17 Jul, 2006
NPI Last Update On: 14 Mar, 2018

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 David Gregory St. John are as mentioned below.

License NumberSpecializationStateStatus
6301012887General Psychology MichiganPrimary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which David Gregory St. John is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Fairsky Foundation (2769775386)7

Mailing Address

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

David Gregory St. John
23231 Woodward Ave,
Ferndale, MI - 48220-1361
Phone: 734-325-0491
Fax: 734-207-5326

Book an Appointment with David Gregory St. John

To schedule an appointment, contact David Gregory St. John at 23231 Woodward Ave, Ferndale, Michigan or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about David Gregory St. John:

David Gregory St. John 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.

David Gregory St. John has approximately 22 years of experience in General Psychology.

Yes, David Gregory St. John accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, David Gregory St. John 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.

David Gregory St. John practices at 23231 Woodward Ave, Ferndale, Michigan, 48220-1361.

To schedule an appointment with David Gregory St. John, please contact the office at 734-325-0491.

Reviews & Feedback

Have you visited David Gregory St. John? Share your experience to help others looking for a psychologist in Ferndale, MI.

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