NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret M Winters, R.N.

Registered Nurse in Boston, MA · enumerated 2007.

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

National Provider Identifier

1467584433

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Registry record

Entity type Individual (Type 1)
Name Margaret M Winters
Credential R.N.
Sex Female
Practice address 729 Massachusetts Ave, Boston, MA, 02118
Phone (617) 414-7734
Fax (617) 414-5418
Enumeration date Mar 12, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 258306 (MA) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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.

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Frequently asked questions

Is NPI 1467584433 active?
Yes, as of the latest NPPES snapshot, NPI 1467584433 is active (record last updated 2007-07-08).
How do I verify Margaret Winters's NPI record?
Cross-check NPI 1467584433 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.