CALEB J SIEFERT PHD
NPI 1598837379
Psychologist in Boston, MA

Active since November 15, 2006
55 FRUIT STREET, BLK 11 MGH PSYCHIATRY SERVICE, BOSTON, MA 02114(617) 724-9144 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Caleb J Siefert Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALEB J SIEFERT PHD (NPI 1598837379) is an individual psychologist in Boston, Massachusetts, licensed in Massachusetts (PSY8611) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1598837379
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameCALEB J SIEFERTCredential: PHD
Location Address55 FRUIT STREET, BLK 11 MGH PSYCHIATRY SERVICEBoston, MA 02114
Mailing AddressPo Box 9142, Mass General Physicians Organization IncCharlestown, MA 02129-9142 · (617) 724-0287
Sole ProprietorNo
Enumeration DateNovember 15, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1598837379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MA · PSY8611
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of 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; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
55 FRUIT STREET, Boston, MA 02114

Accepted Insurance

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Social Worker (Clinical)
55 FRUIT STREET, FOUNDERS BUILDING SUITE 880
BOSTON, MA 02114
Physician Assistant
55 FRUIT STREET, WHITE 1
BOSTON, MA 02114
Psychiatry & Neurology (Neurology)
55 FRUIT STREET, WANG 720 (NEUROLOGY)
BOSTON, MA 02114
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT STREET, WRN 2 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, YAW 5 CARDIAC UNIT ASSOCIATES
BOSTON, MA 02114
Internal Medicine
55 FRUIT STREET, WHITE 5
BOSTON, MA 02114
Nurse Anesthetist, Certified Registered
55 FRUIT STREET, CLN 309 MGH ANESTHESIA ASSOCIATES
BOSTON, MA 02114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caleb Siefert's NPI number?

The NPI number for Caleb Siefert is 1598837379. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Caleb Siefert located?

Caleb Siefert practices at 55 Fruit Street Blk 11 Mgh Psychiatry Service, Boston, MA 02114. The listed phone number is (617) 724-9144.

What is Caleb Siefert's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

What insurance does Caleb Siefert accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Caleb Siefert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Caleb Siefert was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.