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

DR. RUSSELL HOSAKA O.D.
NPI 1447245188
Optometrist in Torrance, CA

Active since September 19, 2005PECOS Enrolled
22809 HAWTHORNE BLVD, TORRANCE, CA 90505(310) 373-9993(310) 373-4505 Get Directions Write a Review

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

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Russell Hosaka O.d. NPPES

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

DR. RUSSELL HOSAKA O.D. (NPI 1447245188) is an individual optometrist in Torrance, California, licensed in California (OPT7226TLG) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447245188
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. RUSSELL HOSAKACredential: O.D.
Location Address22809 HAWTHORNE BLVDTorrance, CA 90505-3615
Mailing Address22809 Hawthorne BlvdTorrance, CA 90505-3615 · (310) 373-9993 · Fax (310) 373-4505
Phone(310) 373-9993
Fax(310) 373-4505
Sole ProprietorNo
Enumeration DateSeptember 19, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1447245188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · OPT7226TLG
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.
Also ListedOptometrist · Corneal and Contact ManagementTaxonomy 152WC0802X · License OPT7226TLG (CA), OPT7226T (CA)
22809 HAWTHORNE BLVD, Torrance, CA 90505
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Other Identifiers 4

Other45536CA · Safeguard
Other3103739993CA · Vsp
Other03164AR · Eye Care Network
OtherCA7226CA · Eyemed

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Wyoming, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Russell Hosaka O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

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

DR. QUANG NHU CHUNG O.D.
Optometrist
22809 HAWTHORNE BLVD
TORRANCE, CA 90505
Los Angeles County (310) 462-1534
DR. ANNA A PARFENOVA OD
Optometrist
22809 HAWTHORNE BLVD
TORRANCE, CA 90505
Los Angeles County (310) 373-9993
ANNA PARFENOVA OD INC
Optometrist
22809 HAWTHORNE BLVD
TORRANCE, CA 90505
Los Angeles County (310) 373-9993
RUSSELL HOSAKA OD INC A PROFESSIONAL CORPORATION
Optometrist
22809 HAWTHORNE BLVD
TORRANCE, CA 90505
Los Angeles County (310) 373-9993
DR. KEVIN T. HASHIMOTO O.D.
Optometrist
22809 HAWTHORNE BLVD
TORRANCE, CA 90505
Los Angeles County (310) 373-5055

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 Russell Hosaka's NPI number?

The NPI number for Russell Hosaka is 1447245188. It was assigned to this individual provider in the NPPES registry on September 19, 2005.

Where is Russell Hosaka located?

Russell Hosaka practices at 22809 Hawthorne Blvd, Torrance, CA 90505. The listed phone number is (310) 373-9993.

What is Russell Hosaka's specialty?

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

Is Russell Hosaka enrolled in Medicare?

Yes. Russell Hosaka is registered in the Medicare PECOS enrollment system.

What insurance does Russell Hosaka accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Russell Hosaka as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Russell Hosaka 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 25 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.