Dr. Frederick William Kelso , PhD
Psychologist • Canton, MA
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Frederick Kelso has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Frederick Kelso, PhD was a registered Psychologist practicing in Canton, MA. Throughout an active medical career spanning 19 years, Dr. Kelso provided care at the practice location at 206 MECHANIC ST until profile deactivation on 2026-06-11.
Practice Location & Contact Primary Location
206 Mechanic St
Canton, MA 020213189
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist in Canton, MA
Practicing in Canton, MA (2533 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 103T00000X
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.
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on June 11, 2026
NPI status registered as active in NPPES database
Registered at 206 MECHANIC ST, CANTON, MA 020213189 (Tel: 6174864351)
Registered at PO BOX 3, DEDHAM, MA 020270003 (Tel: 6174864351)
Recorded as FREDERICK KELSO, PH.D.
Psychologist (License #3750 in MA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
Po Box 3
Dedham, MA 020270003
Phone: 6174864351
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