Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TIMOTHY R WALLACE PHD
NPI 1437149739
Psychologist in Boston, MA

Active since October 27, 2005
125 NASHUA STREET, SPAULDING REHAB HOSPITAL, BOSTON, MA 02114(617) 573-2694(217) 573-2229 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Timothy R Wallace Phd NPPES

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

DR. TIMOTHY R WALLACE PHD (NPI 1437149739) is an individual psychologist in Boston, Massachusetts, licensed in Massachusetts (4282) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1437149739
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. TIMOTHY R WALLACECredential: PHD
Location Address125 NASHUA STREET, SPAULDING REHAB HOSPITALBoston, MA 02114-1198
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(217) 573-2229
Sole ProprietorNo
Enumeration DateOctober 27, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1437149739 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 · 4282
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.
125 NASHUA STREET, Boston, MA 02114

Other Identifiers 3

Other456014MA · Tufts
OtherW50958MA · Bcbs Ma
Medicaid0395471MA

Accepted Insurance

Other Providers at the Same Location NPPES 3

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

Physical Medicine & Rehabilitation
125 NASHUA STREET, SRH
BOSTON, MA 02114
Physical Medicine & Rehabilitation
125 NASHUA STREET, SPAULDING REHABILITATION HOSPITAL
BOSTON, MA 02114
Physical Medicine & Rehabilitation
125 NASHUA STREET, PHYSICAL MEDICINE AND REHABILITATION
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 Timothy Wallace's NPI number?

The NPI number for Timothy Wallace is 1437149739. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is Timothy Wallace located?

Timothy Wallace practices at 125 Nashua Street Spaulding Rehab Hospital, Boston, MA 02114. The listed phone number is (617) 573-2694.

What is Timothy Wallace's specialty?

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

What insurance does Timothy Wallace accept?

Health plans from Harvard Pilgrim Health Care list Timothy Wallace 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 Timothy Wallace was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.