Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Janet E Guilfoyle, PA-C
Physician Assistant in Everett, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588682306
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Registry record
Entity type Individual (Type 1)
Name Janet E Guilfoyle
Credential PA-C
Sex Female
Practice address 103 Garland St, Everett, MA, 02149
Phone (617) 381-5062
Enumeration date Jul 18, 2006
Last updated in NPPES Aug 19, 2008
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 593 (MA) Primary
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.
Frequently asked questions
What is the NPI number for Janet Guilfoyle?
The National Provider Identifier (NPI) for Janet Guilfoyle is 1588682306, a Type 1 (individual) record in the CMS NPPES registry.
Where does Janet Guilfoyle practice?
The practice location on file with NPPES is in Everett, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gary Blair Emergency Medicine Physician · Everett, MA NPI 1962498378 Jessica Goren Psychiatric Pharmacist · Everett, MA NPI 1750378469 Claimnet Medical Billing Cardiology Services Cardiovascular Disease Physician · Everett, MA NPI 1588646335 Cambridge Public Health Commission Psychiatric Hospital Unit · Everett, MA NPI 1619944105 Megan Callahan Internal Medicine Physician · Everett, MA NPI 1881662864 Brenda Macpherson Athletic Trainer · Everett, MA NPI 1619932852 Anne Kearney Radiography Radiologic Technologist · Everett, MA NPI 1801854989 Victor Saldanha Geriatric Medicine (Internal Medicine) Physician · Everett, MA NPI 1548217276
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-19.