Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Benjamin Holt, DMD
Dentist in Lake Oswego, OR · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851393714
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Registry record
Entity type Individual (Type 1)
Name Dr. John Benjamin Holt
Credential DMD
Sex Male
Practice address 5 N Shore Rd, Lake Oswego, OR, 97034
Phone (503) 635-3438
Fax (503) 697-3803
Enumeration date Aug 11, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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 John Holt?
The National Provider Identifier (NPI) for John Holt is 1851393714, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Holt practice?
The practice location on file with NPPES is in Lake Oswego, OR. 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.