Registry data as of Aug 27, 2026

Ellen Villasenor, APRN

Psychiatric/Mental Health Nurse Practitioner · Norwalk, CT

Ellen Villasenor, APRN is a psychiatric/mental health nurse practitioner with a practice address in Norwalk, Connecticut, and NPI 1538225107, issued on Dec 28, 2006. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1538225107
Name
Ellen Villasenor
Credential
APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
Practice location
24 Stevens St, Norwalk, CT 06850
Phone
(203) 852-2293
Enumerated
Dec 28, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 24 Stevens St

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

  1. Janet Andrews, M.D.Emergency Medicine Physician1558385773
  2. Steven AreccoPharmacist1952430969
  3. Deborah August, M.D.Anatomic Pathology & Clinical Pathology Physician1801871504
  4. James Babashak, MDAnesthesiology Physician1932102803
  5. Paul Beiles, MDAnesthesiology Physician1043213978
  6. James Belisle, MDNeonatal-Perinatal Medicine Physician1679543136

Verify Ellen Villasenor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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 Connecticut 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.

48% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

1,327 Medicare Part D claims for 66 beneficiaries, against an average of 895 among the 22,437 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Ellen Villasenor1,327
  2. Specialty average895

Most prescribed

  1. Clozapine113 claims
  2. Duloxetine Hcl89 claims
  3. Trazodone Hcl80 claims
  4. Aripiprazole72 claims
  5. Clonazepam71 claims
  6. Bupropion Xl68 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The Medicare quality score for 2023: 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.3
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $112.77

2 payments, mostly food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 17,205 providers of this specialty with any payment received $975.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ellen Villasenor$112.77
  2. Specialty average$975.26

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Catholic Charities OF Fairfield County IncNorwalk, CT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Psychiatric/Mental Health Nurse Practitioner providers in Connecticut

There are 856 psychiatric/mental health nurse practitioner records in Connecticut.

Other psychiatric/mental health nurse practitioner records in Connecticut

  1. Denise Abbate, APRNHartford, CT1679622898
  2. Thuraya Abdi, APRNFarmington, CT1124272950
  3. William Abrokwa, ARNPSouth Windsor, CT1205346335
  4. Bridgitte AckeifiSouthington, CT1497406805
  5. Hye Adams, APRNEast Berlin, CT1871141267
  6. Delores Addy, PMHNP-BCManchester, CT1467393116
  7. Amal AdelyGreenwich, CT1447031695
  8. Andrea Adimando, APRNNew Haven, CT1801936448
  9. Edward Afful, NPFarmington, CT1942834049
  10. Kathleen Africano, APRNDarien, CT1659300416

Common questions

What is Ellen Villasenor, APRN's NPI number?

Ellen Villasenor, APRN's National Provider Identifier (NPI) is 1538225107, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Villasenor, APRN located?

The NPPES record lists a practice address at 24 Stevens St, Norwalk, CT, 06850. Phone: (203) 852-2293. Providers update this record themselves, so call before visiting.

How can I verify Ellen Villasenor, APRN's license?

Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Ellen Villasenor, APRN prescribe under Medicare Part D?

In 2024, Ellen Villasenor, APRN had 1,327 Medicare Part D claims for 66 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 895. Part D covers Medicare prescriptions only.

What is Ellen Villasenor, APRN's Medicare quality score?

The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.