NPPES file of Aug 9, 2026

Cesar Melendez-Villegas, PSY.D

Psychologist · Westborough, MA

Cesar Melendez-Villegas, PSY.D is a psychologist with a practice address in Westborough, Massachusetts, and NPI 1922388792, issued on Aug 24, 2011. Check the license (Massachusetts 11581, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922388792
Name
Cesar Melendez-Villegas
Credential
PSY.D
Primary taxonomy
Psychologist 103T00000X
License number
11581 MA
Self-reported in NPPES; status is on the state search
Practice location
900 Union St, Westborough, MA 01581
Phone
(508) 856-0732
Enumerated
Aug 24, 2011
Record last updated
Apr 21, 2026
Fax
(508) 425-5126
Medicaid ID
1303295 MA
Medicare enrollment
Enrolled (PECOS I20211222001374); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychologist records → All 2,367 in Massachusetts → Look up another NPI →

Also registered at 900 Union St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Leah Barker, NPWomen's Health Nurse Practitioner1780753061
  2. Allison Camacho, NPNurse Practitioner1184841736
  3. Michael Daley, MDPediatrics Physician1861469751
  4. Ann Marie Deangelis, M.D.Pediatrics Physician1477500106
  5. Natalie Dolan, PAPhysician Assistant1992206205
  6. Leah Doret, M.D.Family Medicine Physician1699781039

Verify Cesar Melendez-Villegas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 11581    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Reliant Medical Group IncWestborough, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cesar Melendez-Villegas among 2,367 psychologist records in Massachusetts

Cesar Melendez-Villegas, PSY.D is one of 2,367 psychologist records with a practice address in Massachusetts. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 55% of them.

  • NPI issued2011 · 55% of these records are older, 43% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2012 · median 1997 among the 487 with a school on file
  • Record last updated2026 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 psychologist records list a practice address in Westborough

They are 12 of the 565 NPPES records with a practice address in Westborough, and 2,367 psychologist records in Massachusetts.

All 2,367 in Massachusetts → Every provider in Westborough → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Miriam Aframe, PSY.D.Westborough, MA 015811710478953
  2. Dawna Gabowitz, PH.D.Westborough, MA 015811720183841
  3. Kenneth Holbert, PH.D.Westborough, MA 015811841360146
  4. Emily Marsick, CAGS LMHCWestborough, MA 015811104938620
  5. Ronnie Miller, PSY.D.Westborough, MA 015811841227097
  6. Nadene Moll, PSYDWestboro, MA 015811235202102
  7. William O'Brien, PSY.DWestborough, MA 015811255740254
  8. Jane Plummer, PSY.D.Westborough, MA 015811497813174

Common questions

What is Cesar Melendez-Villegas, PSY.D's NPI number?

Cesar Melendez-Villegas, PSY.D's National Provider Identifier (NPI) is 1922388792, issued on Aug 24, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Cesar Melendez-Villegas, PSY.D located?

The NPPES record lists a practice address at 900 Union St, Westborough, MA, 01581. Phone: (508) 856-0732. Providers update this record themselves, so call before visiting.

How can I verify Cesar Melendez-Villegas, PSY.D's license?

NPPES lists Massachusetts license number 11581, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.