Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Philip Gordon Marais
Dentist in Altadena, CA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851715924
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Registry record
Entity type Individual (Type 1)
Name Dr. Philip Gordon Marais
Sex Male
Practice address 1955 Lake Ave, Altadena, CA, 91001
Phone (626) 585-9544
Fax (626) 449-4932
Enumeration date Feb 10, 2014
Last updated in NPPES Feb 10, 2014
Taxonomy & licenses
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 Philip Marais?
The National Provider Identifier (NPI) for Philip Marais is 1851715924, a Type 1 (individual) record in the CMS NPPES registry.
Where does Philip Marais practice?
The practice location on file with NPPES is in Altadena, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → David Campbell General Practice Dentistry · Altadena, CA NPI 1992703763 Dr. Campbell DDS, Inc. Orthodontics and Dentofacial Orthopedics Dentistry · Altadena, CA NPI 1194724070 Dr. Campbell'S Century Dental Office, Dr. Campbell, DDS, Inc. Orthodontics and Dentofacial Orthopedics Dentistry · Altadena, CA NPI 1902013089 Alvina Choi Dentist · Altadena, CA NPI 1962955179 Bradley Campbell General Practice Dentistry · Altadena, CA NPI 1770454365
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-10.