DR. CESAR MELENDEZ-VILLEGAS PSY.D
NPI 1922388792
Psychologist in Westborough, MA

Active since August 24, 2011PECOS EnrolledAccepts Medicare Assignment
900 UNION ST, WESTBOROUGH, MA 01581(508) 856-0732(508) 425-5126 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 21, 2026, Dec 16, 2021, Jul 8, 2021 (3 updates tracked since 2021).

About Dr. Cesar Melendez-villegas Psy.d NPPES

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

DR. CESAR MELENDEZ-VILLEGAS PSY.D (NPI 1922388792) is an individual psychologist in Westborough, Massachusetts, licensed in Massachusetts (11581) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1922388792
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. CESAR MELENDEZ-VILLEGASCredential: PSY.D
Location Address900 UNION STWestborough, MA 01581-5408
Mailing Address5 Neponset St, Medical Staff ServicesWorcester, MA 01606-2714 · (508) 856-0732 · Fax (508) 425-5126
Fax(508) 425-5126
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateAugust 24, 2011
Last NPPES UpdateApril 21, 20263 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
NPI 1922388792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MA · 11581
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
900 UNION ST, Westborough, MA 01581

Other Identifiers 4

Other1303295MA · Mbhp
Other997303MA · Network Health
Medicaid1303295MA
Other8443MA · Bmc

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. Cesar Melendez-villegas Psy.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 ID1557752706
PECOS Enrollment IDI20211222001374
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, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
113 services24 patients

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.

Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
900 UNION ST
WESTBOROUGH, MA 01581
Clinical Medical Laboratory
900 UNION ST
WESTBOROUGH, MA 01581
Nurse Practitioner (Pediatrics)
900 UNION ST
WESTBOROUGH, MA 01581
Pediatrics
900 UNION ST
WESTBOROUGH, MA 01581
Optometrist
900 UNION ST
WESTBOROUGH, MA 01581
Internal Medicine
900 UNION ST
WESTBOROUGH, MA 01581
Physician Assistant
900 UNION ST
WESTBOROUGH, MA 01581
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
900 UNION ST
WESTBOROUGH, MA 01581

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 Cesar Melendez-villegas's NPI number?

The NPI number for Cesar Melendez-villegas is 1922388792. It was assigned to this individual provider in the NPPES registry on August 24, 2011.

Where is Cesar Melendez-villegas located?

Cesar Melendez-villegas practices at 900 Union St, Westborough, MA 01581. The listed phone number is (508) 856-0732.

What is Cesar Melendez-villegas's specialty?

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

Is Cesar Melendez-villegas enrolled in Medicare?

Yes. Cesar Melendez-villegas 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 Cesar Melendez-villegas accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Cesar Melendez-villegas 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 Cesar Melendez-villegas was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.