Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. LESLIE WEISER PH.D.
NPI 1982679031
Psychologist in Wellesley, MA

Active since February 22, 2006PECOS Enrolled
45 OAKLAND ST, WELLESLEY, MA 02481(781) 237-3597 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Leslie Weiser Ph.d. NPPES

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

DR. LESLIE WEISER PH.D. (NPI 1982679031) is an individual psychologist in Wellesley, Massachusetts, licensed in Massachusetts (2813) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1982679031
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. LESLIE WEISERCredential: PH.D.
Location Address45 OAKLAND STWellesley, MA 02481-5336
Mailing Address45 Oakland StWellesley, MA 02481-5336 · (781) 237-3597
Sole ProprietorNo
Medical School CMSOtherGraduated 1980
Enumeration DateFebruary 22, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1982679031 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 · 2813
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.
45 OAKLAND ST, Wellesley, MA 02481

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Leslie Weiser Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315104247
PECOS Enrollment IDI20120206000226
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
379 services11 patients

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 Leslie Weiser's NPI number?

The NPI number for Leslie Weiser is 1982679031. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Where is Leslie Weiser located?

Leslie Weiser practices at 45 Oakland St, Wellesley, MA 02481. The listed phone number is (781) 237-3597.

What is Leslie Weiser's specialty?

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

Is Leslie Weiser enrolled in Medicare?

Yes. Leslie Weiser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Leslie Weiser accept?

Health plans from Anthem Blue Cross and Blue Shield list Leslie Weiser 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 Leslie Weiser 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 22 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.