Psychologist | General Psychology

Caleb J Siefert, PHD

55 Fruit Street, Blk 11 Mgh Psychiatry Service, Boston, Massachusetts, 02114

About Caleb J Siefert

Caleb J Siefert is a psychologist based in Boston, Massachusetts who is specialized in General Psychology. Active license number of Caleb J Siefert is PSY8611 for General Psychology in Massachusetts. His current practice location is 55 Fruit Street, Blk 11 Mgh Psychiatry Service, Boston. Patients can contact him at 617-724-9144. Caleb J Siefert, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1598837379.

Caleb J Siefert 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

Caleb J Siefert'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 Caleb J Siefert
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 55 Fruit Street, Blk 11 Mgh Psychiatry Service
Boston, MA - 02114

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 Number1598837379
NPI Enumeration Date: 15 Nov, 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 Caleb J Siefert are as mentioned below.

License NumberSpecializationStateStatus
PSY8611General Psychology MassachusettsPrimary

Mailing Address

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

Caleb J Siefert
Po Box 9142, Mass General Physicians Organization Inc
Charlestown, MA - 02129-9142
Phone: 617-724-0287

Book an Appointment with Caleb J Siefert

To schedule an appointment, contact Caleb J Siefert at 55 Fruit Street, Blk 11 Mgh Psychiatry Service, Boston, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Caleb J Siefert:

Caleb J Siefert 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, Caleb J Siefert 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.

Caleb J Siefert practices at 55 Fruit Street, Blk 11 Mgh Psychiatry Service, Boston, Massachusetts, 02114.

To schedule an appointment with Caleb J Siefert, please contact the office at 617-724-9144.

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