Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nancy Elizabeth Castro, NP

Family Nurse Practitioner in Woonsocket, RI · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1053370973

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Registry record

Entity type Individual (Type 1)

Name Nancy Elizabeth Castro

Credential NP

Sex Female

Practice address 450 Clinton St, Woonsocket, RI, 02895

Phone (401) 767-4100

Fax (401) 235-6899

Enumeration date Mar 20, 2006

Last updated in NPPES Jan 5, 2012

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN22454 (RI) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
NC44343	Medicaid	RI	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1053370973 active?

Yes, as of the latest NPPES snapshot, NPI 1053370973 is active (record last updated 2012-01-05).

How do I verify Nancy Castro's NPI record?

Cross-check NPI 1053370973 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Robert Robbio Family Medicine Physician · Woonsocket, RI NPI 1427024108 Beata Nelken Pediatrics Physician · Woonsocket, RI NPI 1518922095 Megan Mckain Advanced Practice Midwife · Woonsocket, RI NPI 1619934718 Linda Berman Family Medicine Physician · Woonsocket, RI NPI 1275591661 Sapna Chowdhry Infectious Disease Physician · Woonsocket, RI NPI 1902843311 Linda Durand Adult Health Nurse Practitioner · Woonsocket, RI NPI 1336180850 Deborah Rich Internal Medicine Physician · Woonsocket, RI NPI 1023050531 Patricia Donahue Mental Health Counselor · Woonsocket, RI NPI 1174567150

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-05.