Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Rose Chester, OD
Optometrist in Oakland, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003919309
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Registry record
Entity type Individual (Type 1)
Name Karen Rose Chester
Credential OD
Sex Female
Practice address 3060 E 9th St, Suite B, Oakland, CA, 94601
Phone (510) 535-5500
Fax (510) 535-4349
Enumeration date Sep 6, 2006
Last updated in NPPES Aug 6, 2013
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 |
|---|---|---|---|
| FHC71087F | Other | CA | MEDI-CAL PROVIDER NUMBER |
| 1124035159 | Other | - | SITE NPI |
| 3762136 | Other | - | PIN |
| 0647524 | Medicaid | CA | - |
| ZZZ2979Z | Other | CA | MEDICARE PROVIDER NUMBER |
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 Karen Chester practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Karen Chester?
The National Provider Identifier (NPI) for Karen Chester is 1003919309, 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 2013-08-06.