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SIXTH OPTOMETRIC CARE OF CALIFORNIA PC
NPI 1396689659
Optometrist in Porter Ranch, CA

Active since April 16, 2026
19733 RINALDI ST, PORTER RANCH, CA 91326(818) 832-4646(818) 368-9898 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Sixth Optometric Care Of California Pc NPPES

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

SIXTH OPTOMETRIC CARE OF CALIFORNIA PC (NPI 1396689659) is a healthcare organization registered as an optometrist in Porter Ranch, California and active in the NPI registry since April 2026. The organization lists Brittany Harrison, Director, as its authorized official.

NPPES Registry Identity

NPI1396689659
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameSIXTH OPTOMETRIC CARE OF CALIFORNIA PC
Location Address19733 RINALDI STPorter Ranch, CA 91326-4143
Mailing Address3333 Quality DrRancho Cordova, CA 95670-7985 · (818) 832-4646 · Fax (818) 368-9898
Phone(818) 832-4646
Fax(818) 368-9898
Organization SubpartNo
Authorized OfficialBrittany HarrisonDirector · (512) 316-4603
Enumeration DateApril 16, 2026
NPPES CertifiedApril 16, 2026
✔ NPI 1396689659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
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.
19733 RINALDI ST, Porter Ranch, CA 91326
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sixth Optometric Care Of California Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Sixth Optometric Care Of California PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (12)

Catherine Han, O.D.
Optometry
NPI 1871685420
19733 RINALDI ST
Porter Ranch, CA 91326
(818) 832-4646
✔ PECOS✔ Accepts MedicareSame address
Nane Ghazaryan
Optometry
NPI 1316830185
1901 BROADVIEW DR
Glendale, CA 91208
(818) 369-7787
✔ PECOS20 mi
Karen Chao, O.D.
Optometry
NPI 1013953108
121 S DEL MAR AVE SUITE A
San Gabriel, CA 91776
(626) 287-0401
✔ PECOS✔ Accepts Medicare29 mi
Patricia Hom, O.D.
Optometry
NPI 1578656153
1080 S. WHITE ROAD SUITE A
San Jose, CA 95127
(408) 272-3002
✔ PECOS✔ Accepts Medicare280 mi
Christopher Ngo, O.D.
Optometry
NPI 1013205228
1080 S WHITE RD A
San Jose, CA 95127
(408) 272-3002
✔ PECOS✔ Accepts Medicare280 mi
Mark Mitchell, O.D.
Optometry
NPI 1134124308
678 E SANTA CLARA ST
San Jose, CA 95112
(408) 293-2020
✔ PECOS✔ Accepts Medicare282 mi
Bich Trinh, O.D
Optometry
NPI 1215215686
40924 FREMONT BLVD
Fremont, CA 94538
(510) 770-8040
✔ PECOS✔ Accepts Medicare295 mi
Marcie Arnesty, O.D.
Optometry
NPI 1427103787
37 BOVET RD
San Mateo, CA 94402
(650) 570-5955
✔ PECOS✔ Accepts Medicare309 mi
Terri Mark, O.D.
Optometry
NPI 1871649202
37 BOVET RD
San Mateo, CA 94402
(650) 570-5955
✔ PECOS✔ Accepts Medicare309 mi
Christina Chapman, OD
Optometry
NPI 1255225348
1528 S EL CAMINO REAL STE 101
San Mateo, CA 94402
(650) 570-5955
✔ PECOS309 mi
Ally Tran, OD
Optometry
NPI 1710734017
1528 S EL CAMINO REAL STE 101
San Mateo, CA 94402
(650) 570-5955
✔ PECOS✔ Accepts Medicare309 mi
Genevieve Corrigan, O.D.
Optometry
NPI 1295738847
2209 FRANCISCO DR STE 150
El Dorado Hills, CA 95762
(916) 933-5535
✔ PECOS✔ Accepts Medicare337 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Sixth Optometric Care Of California PC's NPI number?

The NPI number for Sixth Optometric Care Of California PC is 1396689659. It was assigned to this organization in the NPPES registry on April 16, 2026.

Where is Sixth Optometric Care Of California PC located?

Sixth Optometric Care Of California PC is located at 19733 Rinaldi St, Porter Ranch, CA 91326. The listed phone number is (818) 832-4646.

What is Sixth Optometric Care Of California PC's specialty?

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

Is Sixth Optometric Care Of California PC enrolled in Medicare?

Yes. Sixth Optometric Care Of California PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sixth Optometric Care Of California PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians, all in Optometry, reassign their Medicare billing to Sixth Optometric Care Of California PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Sixth Optometric Care Of California PC was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.