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Deactivated NPI 1972648343 Deactivated / Inactive NPI Male Practitioner

Dr. Donald B. Giddon , DMD, PhD

Psychologist • Wellesley, MA

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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. Donald Giddon has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date February 21, 2007
NPI Deactivation Date January 08, 2026
Total Practice Duration ~19 Years of Practice (2007 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Donald Giddon, DMD, PhD was a registered Psychologist practicing in Wellesley, MA. Throughout an active medical career spanning 19 years, Dr. Giddon provided care at the practice location at 277 LINDEN ST until profile deactivation on 2026-01-08.

Practice Location & Contact Primary Location

Practice Address

277 Linden St
Suite 208

Wellesley, MA 024825900

Telephone 7812352995
Fax 7812352996
Associated Practice Facility / Clinic
🏢 Paul R Chalifoux, Dds, Llc Facility NPI 1235483660

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Wellesley, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 32.0 Yrs
State Avg: 32.3 Yrs
Regional Practice Density
39 Specialists

Practicing in Wellesley, MA (2533 Statewide)

Telehealth Adoption Rate
10.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License MA 1266

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners
Dr. Robert Feingold , DMD

Dentist - General Practice

NPI 1043351679

Doctor of Dental Medicine

Dr. Paul Chalifoux , DDS

Dentist - General Practice

NPI 1265596837

Doctor of Dental Surgery

Dr. Harry Kushnir , DMD

Dentist - General Practice

NPI 1851314207

Doctor of Dental Medicine

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated January 08, 2026

Record deactivated on January 08, 2026

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 277 LINDEN ST, SUITE 208, WELLESLEY, MA 024825900 (Tel: 7812352995)

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Updated Business Mailing Address July 08, 2007

Registered at 277 LINDEN ST, SUITE 208, WELLESLEY, MA 024825900 (Tel: 7812352995)

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Provider Name / Credentials Updated July 08, 2007

Recorded as DONALD GIDDON, DMD, PHD

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Psychologist (License #1266 in MA)

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Initial NPI Registration & Enumeration February 21, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1972648343
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 21, 2007
Last Update: July 08, 2007
Deactivation Date: January 08, 2026

Mailing Address

277 Linden St, Suite 208

Wellesley, MA 024825900

Phone: 7812352995

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.