Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katherine Elizabeth Farnsworth, PA-C
Physician Assistant in Madison, CT · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902436678
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Registry record
Entity type Individual (Type 1)
Name Katherine Elizabeth Farnsworth
Credential PA-C
Sex Female
Practice address 1343 Boston Post Rd Apt 101, Madison, CT, 06443
Phone (860) 669-6156
Fax (860) 664-0285
Enumeration date Jan 22, 2020
Last updated in NPPES Feb 9, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 4743 (CT) 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 Katherine Farnsworth?
The National Provider Identifier (NPI) for Katherine Farnsworth is 1902436678, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katherine Farnsworth practice?
The practice location on file with NPPES is in Madison, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jeremy Moss Dermatology Physician · Madison, CT NPI 1689625188 Donna Colquhoun Family Nurse Practitioner · Madison, CT NPI 1548457260 On Site Dermatology of Connecticut LLC Dermatology Physician · Madison, CT NPI 1326473661 Integrated Dermatology of Clinton, LLC Dermatology Physician · Madison, CT NPI 1457728883 Noel Turner Dermatology Physician · Madison, CT NPI 1386209237 Izabela Horzempa Physician Assistant · Madison, CT NPI 1295426781
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-09.