Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Megan Arthur Mask, PA-C

Medical Physician Assistant in Stamford, CT · enumerated 2009.

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

National Provider Identifier

1255660247

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Registry record

Entity type Individual (Type 1)

Name Megan Arthur Mask

Credential PA-C

Sex Female

Practice address 30 Buxton Farm Rd, Stamford, CT, 06905

Phone (203) 322-7070

Fax (203) 322-2389

Enumeration date Dec 22, 2009

Last updated in NPPES Jun 26, 2015

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 005657 (GA) Secondary

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085004279 (IL) Secondary

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 3077 (CT) Primary

Other identifiers

Identifier	Type	State	Issuer
005657	Other	GA	GA LICENSE
085004279	Other	IL	IL LICENSE
2234308	Other	IL	BCBS
3077	Other	CT	CT LICENSE

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 1255660247 active?

Yes, as of the latest NPPES snapshot, NPI 1255660247 is active (record last updated 2015-06-26).

How do I verify Megan Mask's NPI record?

Cross-check NPI 1255660247 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 2015-06-26.