Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Grainne Foss
Behavior Technician in Penfield, NY · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437757234
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Registry record
Entity type Individual (Type 1)
Name Mrs. Grainne Foss
Sex Female
Practice address 2025 Penfield Rd, Penfield, NY, 14526
Phone (585) 250-5838
Enumeration date Oct 14, 2020
Last updated in NPPES Oct 14, 2020
Taxonomy & licenses
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 Grainne Foss?
The National Provider Identifier (NPI) for Grainne Foss is 1437757234, a Type 1 (individual) record in the CMS NPPES registry.
Where does Grainne Foss practice?
The practice location on file with NPPES is in Penfield, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Myllissa Mcduffie Behavior Analyst · Penfield, NY NPI 1659925931 Mary Linton Behavior Technician · Penfield, NY NPI 1154977593 Jessica Greean Behavior Analyst · Penfield, NY NPI 1225687239 Theresa Dolph Behavior Technician · Penfield, NY NPI 1326683400 Sierra Greenman Behavior Technician · Penfield, NY NPI 1770122111 Baylee Trani Behavior Technician · Penfield, NY NPI 1912520552 Tami Keiser Behavior Technician · Penfield, NY NPI 1093330094 Emily Biggins Behavior Analyst · Penfield, NY NPI 1063039436
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-14.