Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARILYN KATZ O.D.
NPI 1386633618
Optometrist in Upland, CA

Active since October 19, 2005
471 N CENTRAL AVE, UPLAND, CA 91786(909) 949-8888 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Marilyn Katz O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARILYN KATZ O.D. (NPI 1386633618) is an individual optometrist in Upland, California, licensed in California (6575T) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1386633618
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. MARILYN KATZCredential: O.D.
Location Address471 N CENTRAL AVEUpland, CA 91786-4219
Mailing Address471 N Central AveUpland, CA 91786-4219 · (909) 949-8888
Sole ProprietorNo
Enumeration DateOctober 19, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1386633618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License Licensed in CA · 6575T
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
471 N CENTRAL AVE, Upland, CA 91786

Other Identifiers 1

MedicaidSD0065750CA

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Optometrist
471 N CENTRAL AVE
UPLAND, CA 91786
Optometrist
471 N CENTRAL AVE
UPLAND, CA 91786
Optometrist
471 N CENTRAL AVE
UPLAND, CA 91786

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marilyn Katz's NPI number?

The NPI number for Marilyn Katz is 1386633618. It was assigned to this individual provider in the NPPES registry on October 19, 2005.

Where is Marilyn Katz located?

Marilyn Katz practices at 471 N Central Ave, Upland, CA 91786. The listed phone number is (909) 949-8888.

What is Marilyn Katz's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

When was this NPI record last updated?

The NPPES record for Marilyn Katz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.