Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Alexander Bartas
Peer Specialist in Redwood City, CA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659251999
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Registry record
Entity type Individual (Type 1)
Name John Alexander Bartas
Sex Male
Practice address 200 Edmonds Rd, Redwood City, CA, 94062
Phone (650) 367-1890
Enumeration date Sep 5, 2025
Last updated in NPPES Sep 25, 2025
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
Where does John Bartas practice?
The practice location on file with NPPES is in Redwood City, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Bartas?
The National Provider Identifier (NPI) for John Bartas is 1659251999, 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 2025-09-25.