DR. KEITH YAMANISHI O.D.
NPI 1043259849
Optometrist in Mather, CA

Active since June 06, 2006PECOS Enrolled
10535 HOSPITAL WAY BLDG 720, MATHER, CA 95655(916) 366-5463 Get Directions Write a Review

NPPES record last updated: February 1, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 1, 2023, Dec 23, 2020 (2 updates tracked since 2020).

About Dr. Keith Yamanishi O.d. NPPES

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

DR. KEITH YAMANISHI O.D. (NPI 1043259849) is an individual optometrist in Mather, California, licensed in California (OPT9381) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Mcclellan.

NPPES Registry Identity

NPI1043259849
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. KEITH YAMANISHICredential: O.D.
Location Address10535 HOSPITAL WAY BLDG 720Mather, CA 95655-4200
Mailing Address2169 Nugget Creek CtGold River, CA 95670-8127 · (916) 501-1032
Sole ProprietorYes
Enumeration DateJune 6, 2006
Last NPPES UpdateFebruary 1, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2023
✔ NPI 1043259849 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 · OPT9381
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.
10535 HOSPITAL WAY BLDG 720, Mather, CA 95655

Secondary Practice Location 1

Location 15342 Dudley Blvd Bldg 98McClellan, CA 95652-1012 · Phone (916) 561-7533

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Keith Yamanishi 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.

Medicare Billing Reassignment

Medicare enrollment records show Keith Yamanishi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ophthalmology
5773 GREENBACK LANE
Sacramento, CA 95841
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95655 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
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 3

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

Ophthalmology
10535 HOSPITAL WAY BLDG 720
MATHER, CA 95655
Specialist/Technologist (Rehabilitation, Blind)
10535 HOSPITAL WAY BLDG 720
MATHER, CA 95655
Ophthalmology
10535 HOSPITAL WAY BLDG 720
MATHER, CA 95655

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 Keith Yamanishi's NPI number?

The NPI number for Keith Yamanishi is 1043259849. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Keith Yamanishi located?

Keith Yamanishi practices at 10535 Hospital Way Bldg 720, Mather, CA 95655. The listed phone number is (916) 366-5463.

What is Keith Yamanishi's specialty?

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

Is Keith Yamanishi enrolled in Medicare?

Yes. Keith Yamanishi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Keith Yamanishi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keith Yamanishi reassigns Medicare benefits to (Sacramento, CA). The 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 Keith Yamanishi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Keith Yamanishi was last updated on February 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.