Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Frank Thomas Adam, O.D.
Optometrist in Lake Ronkonkoma, NY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831219591
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Registry record
Entity type Individual (Type 1)
Name Frank Thomas Adam
Credential O.D.
Sex Male
Practice address 500 Portion Rd, Suite 10, Lake Ronkonkoma, NY, 11779
Phone (631) 648-9488
Fax (631) 676-4861
Enumeration date Mar 29, 2007
Last updated in NPPES Feb 28, 2012
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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 Frank Adam practice?
The practice location on file with NPPES is in Lake Ronkonkoma, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Frank Adam?
The National Provider Identifier (NPI) for Frank Adam is 1831219591, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-28.