Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marc S Frost, M.D.
Neurology Physician in Amherst, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841256336
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Registry record
Entity type Individual (Type 1)
Name Marc S Frost
Credential M.D.
Sex Male
Practice address 3980 Sheridan Dr, Suite 200, Amherst, NY, 14226
Phone (716) 250-2000
Enumeration date Apr 24, 2006
Last updated in NPPES Apr 9, 2010
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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
What is the NPI number for Marc Frost?
The National Provider Identifier (NPI) for Marc Frost is 1841256336, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marc Frost practice?
The practice location on file with NPPES is in Amherst, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gregory Sambuchi Neurology Physician · Amherst, NY NPI 1942203112 Dawn Harbatkin Addiction Medicine (Preventive Medicine) Physician · Amherst, NY NPI 1033119284 Jason Santiago Physician Assistant · Amherst, NY NPI 1568450989 Laszlo Mechtler Neurology Physician · Amherst, NY NPI 1710978598 Wendy Callen Surgical Physician Assistant · Amherst, NY NPI 1609851401 Joy Staggers-Deberny Specialist · Amherst, NY NPI 1255319489 Ellen Rich Internal Medicine Physician · Amherst, NY NPI 1366418345 Kathleen Shannon Clinical Social Worker · Amherst, NY NPI 1023084027
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-09.