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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Janet A Stonington, P.A.

Medical Physician Assistant in Boulder, CO · enumerated 2006.

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

National Provider Identifier

1457317174

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Registry record

Entity type Individual (Type 1)
Name Ms. Janet A Stonington
Credential P.A.
Sex Female
Practice address 2995 Baseline Rd, Suite 210, Boulder, CO, 80303
Phone (303) 443-2544
Fax (303) 443-6476
Enumeration date Apr 21, 2006
Last updated in NPPES Oct 25, 2007

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 221 (CO) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier Type State Issuer
69037078 Medicaid CO -

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

What is the NPI number for Janet Stonington?
The National Provider Identifier (NPI) for Janet Stonington is 1457317174, a Type 1 (individual) record in the CMS NPPES registry.
Where does Janet Stonington practice?
The practice location on file with NPPES is in Boulder, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-25.