Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Allen Mark Seeley, DDS
Prosthodontics in Stony Brook, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1780692756
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Registry record
Entity type Individual (Type 1)
Name Dr. Allen Mark Seeley
Credential DDS
Sex Male
Practice address 1 Hallock Meadow Dr. So., Stony Brook, NY, 11790
Phone (631) 246-5401
Fax (631) 246-8803
Enumeration date Aug 4, 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
What is the NPI number for Allen Seeley?
The National Provider Identifier (NPI) for Allen Seeley is 1780692756, a Type 1 (individual) record in the CMS NPPES registry.
Where does Allen Seeley practice?
The practice location on file with NPPES is in Stony Brook, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.