NPPES file of Aug 9, 2026

Nancy Elizabeth Castro, NP

Family Nurse Practitioner · Woonsocket, RI

Nancy Elizabeth Castro, NP is a family nurse practitioner with a practice address in Woonsocket, Rhode Island, and NPI 1053370973, issued on Mar 20, 2006. Check the license (Rhode Island RN22454, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053370973
Name
Nancy Elizabeth Castro
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN22454 RI
Self-reported in NPPES; status is on the state search
Practice location
450 Clinton St, Woonsocket, RI 02895
Phone
(401) 767-4100
Enumerated
Mar 20, 2006
Record last updated
Jan 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(401) 235-6899
Medicaid ID
NC44343 RI
Medicare enrollment
Enrolled (PECOS I20050127000025); accepts Medicare assignment
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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Also registered at 450 Clinton St

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

  1. Barbara Abbott, RN - CDOEDiabetes Educator Registered Nurse1245305424
  2. Bonnie Alger, MSWClinical Social Worker1235587585
  3. Saman Ali, M.D.Internal Medicine Physician1730414863
  4. Amanda Anacleto, APRN CNP FNPFamily Nurse Practitioner1629846860
  5. Roberto Baca, DNP, ARNP, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1669808473
  6. Kristen Bates, FNPFamily Nurse Practitioner1942974076

Verify Nancy Elizabeth Castro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
    Search for license RN22454
    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 Rhode Island 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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39% fewer Medicare Part D claims than the average family nurse practitioner in 2024

793 Medicare Part D claims for 77 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Nancy Castro793
  2. Specialty average1,305

Most prescribed

  1. Trazodone Hcl66 claims
  2. Levothyroxine Sodium45 claims
  3. Triamcinolone Acetonide41 claims
  4. Atorvastatin Calcium37 claims
  5. Quetiapine Fumarate29 claims
  6. Eliquis25 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.

Industry payments in 2024: $108.87

1 payment: food and beverage; the largest payer was Alkermes, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nancy Castro$108.87
  2. Specialty average$650.95

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

Bills Medicare through one group practice

  1. Blueprint Healthcare LLCWoonsocket, RI

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

Nancy Elizabeth Castro among 791 family nurse practitioner records in Rhode Island

Nancy Elizabeth Castro, NP is one of 791 family nurse practitioner records with a practice address in Rhode Island. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 90% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1998 · median 2019 among the 478 with a school on file
  • Record last updated2012 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

62 family nurse practitioner records list a practice address in Woonsocket

They are 62 of the 1,112 NPPES records with a practice address in Woonsocket, and 791 family nurse practitioner records in Rhode Island.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jennifer Alfawaz, RNPWoonsocket, RI 028951477603256
  2. Susan Curran, NPPWoonsocket, RI 028951770689515
  3. Meredith Dixon, FNPCWoonsocket, RI 028951518953066
  4. Elizabeth Downes, APRNWoonsocket, RI 028951376688515
  5. Mariama Foh, RN, MSN, DNPWoonsocket, RI 028951407976855
  6. Lois LazzopinaWoonsocket, RI 028951285720037
  7. Susan Marceau, RN, MST, FNP-BCWoonsocket, RI 028951285690966
  8. Karin O'Rourke, RNPWoonsocket, RI 028951750500757

Common questions

What is Nancy Elizabeth Castro, NP's NPI number?

Nancy Elizabeth Castro, NP's National Provider Identifier (NPI) is 1053370973, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Elizabeth Castro, NP located?

The NPPES record lists a practice address at 450 Clinton St, Woonsocket, RI, 02895. Phone: (401) 767-4100. Providers update this record themselves, so call before visiting.

How can I verify Nancy Elizabeth Castro, NP's license?

NPPES lists Rhode Island license number RN22454, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.

How much does Nancy Elizabeth Castro, NP prescribe under Medicare Part D?

In 2024, Nancy Elizabeth Castro, NP had 793 Medicare Part D claims for 77 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.

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.