Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David G. Kirschen, OD, PHD
Pediatric Optometrist in Brea, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821048141
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Registry record
Entity type Individual (Type 1)
Name David G. Kirschen
Credential OD, PHD
Sex Male
Practice address 428 S Brea Blvd, Brea, CA, 92821
Phone (714) 529-2470
Enumeration date May 10, 2006
Last updated in NPPES Dec 19, 2022
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| SD0054183 | Medicaid | CA | - |
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 David Kirschen practice?
The practice location on file with NPPES is in Brea, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Kirschen?
The National Provider Identifier (NPI) for David Kirschen is 1821048141, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-19.