Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Stephen R. Keller, OD, Inc

Organization Optometrist · NPI 1619019197

Stephen R. Keller, OD, Inc is an Optometrist in Rancho Cucamonga, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

9596 Baseline Rd
Rancho Cucamonga, CA 91701-5034
Phone: (909) 989-1791
Fax: (909) 989-0782
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT10085T (CA)

Record details

NPI number1619019197
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stephen Keller — President · (909) 989-1791
Other names Alta Loma Optometric Center
NPI enumeratedFebruary 13, 2007
Last updated in NPPESDecember 3, 2007
Mailing address9596 Baseline Rd, Rancho Cucamonga, CA 91701-5034

Other providers in Rancho Cucamonga