Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John E Carvill, DDS
Dentist in Potsdam, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831295039
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Registry record
Entity type Individual (Type 1)
Name John E Carvill
Credential DDS
Sex Male
Practice address 70 Main Street, Potsdam, NY, 13676
Phone (315) 265-8494
Fax (315) 265-2246
Enumeration date Sep 15, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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 John Carvill practice?
The practice location on file with NPPES is in Potsdam, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Carvill?
The National Provider Identifier (NPI) for John Carvill is 1831295039, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.