Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret M Bason, MD

Dermatology Physician in Simsbury, CT · enumerated 2006.

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

National Provider Identifier

1326149238

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Registry record

Entity type Individual (Type 1)

Name Margaret M Bason

Credential MD

Sex Female

Practice address 225 Hopmeadow Street, Suite 300, Simsbury, CT, 06089

Phone (860) 651-1766

Enumeration date Sep 25, 2006

Last updated in NPPES Dec 16, 2011

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 033798 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

How do I verify Margaret Bason's NPI record?

Cross-check NPI 1326149238 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1326149238 active?

Yes, as of the latest NPPES snapshot, NPI 1326149238 is active (record last updated 2011-12-16).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-16.