Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Lewis E. Kemmerer, OD

Optometrist in Redlands, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1942242912

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Registry record

Entity type Individual (Type 1)

Name Mr. Lewis E. Kemmerer

Credential OD

Sex Male

Practice address 1690 Barton Rd, Second Floor, Redlands, CA, 92373

Phone (909) 793-3311

Fax (909) 793-2916

Enumeration date Jun 12, 2006

Last updated in NPPES Aug 24, 2009

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPT 8757 (CA) Primary

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
SD0087570	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Lewis Kemmerer?

The National Provider Identifier (NPI) for Lewis Kemmerer is 1942242912, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lewis Kemmerer practice?

The practice location on file with NPPES is in Redlands, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-24.