Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Erin M. Fallon, P.A.
Physician Assistant in Darien, CT · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255770897
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Registry record
Entity type Individual (Type 1)
Name Erin M. Fallon
Credential P.A.
Sex Female
Practice address 104 Heights Rd # R103, Darien, CT, 06820
Phone (888) 663-6331
Fax (415) 252-7176
Enumeration date Jun 17, 2013
Last updated in NPPES Feb 6, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 007281 (CT) Primary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA4706 (MA) Secondary
363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MA059522 (PA) Secondary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA 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.
Frequently asked questions
Where does Erin Fallon practice?
The practice location on file with NPPES is in Darien, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Erin Fallon?
The National Provider Identifier (NPI) for Erin Fallon is 1255770897, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-06.