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CINDY YUMI SAKAI O.D.
NPI 1922158369
Optometrist in Oakland, CA

Active since January 10, 2007PECOS EnrolledAccepts Medicare Assignment
5321 COLLEGE AVE, OAKLAND, CA 94618(510) 655-3797(510) 655-3701 Get Directions Write a Review

NPPES record last updated: May 20, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cindy Yumi Sakai O.d. NPPES

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

CINDY YUMI SAKAI O.D. (NPI 1922158369) is an individual optometrist in Oakland, California, licensed in California (11950T) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1922158369
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameCINDY YUMI SAKAICredential: O.D.
Location Address5321 COLLEGE AVEOakland, CA 94618-1416
Mailing Address5321 College AveOakland, CA 94618-1416 · (510) 655-3797 · Fax (510) 655-3701
Phone(510) 655-3797
Fax(510) 655-3701
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJanuary 10, 2007
Last NPPES UpdateMay 20, 2008
✔ NPI 1922158369 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 · 11950T
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.
5321 COLLEGE AVE, Oakland, CA 94618
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Other Names 1

Other Name (5)Cindy Yumi Sakai Kim O.d.

Other Identifiers 2

Medicare ID-Type UnspecifiedSD0119500
Medicare UPINU95332

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cindy Yumi Sakai O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991603599
PECOS Enrollment IDI20031219000845
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 Reassignments

2

Medicare enrollment records show Cindy Sakai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sakai And Junge Optometry Corp.
Same address
Optometrist
5321 COLLEGE AVE
Oakland, CA 94618
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Rockridge Optometry
  • 6 clinicians in this Medicare group
NPI 1760532659 (510) 655-3797
Sakai And Junge Optometry Corp.
Same address
Optometrist
5321 COLLEGE AVE
Oakland, CA 94618
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1760532659 (510) 655-3797

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
91 services88 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94618 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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. LARRY ALAN SARVER O.D.
Optometrist (Corneal and Contact Management)
5321 COLLEGE AVE
OAKLAND, CA 94618
Alameda County (510) 655-3797
DR. SCOTT KIYOTO YOKOI O.D.
Optometrist
5321 COLLEGE AVE
OAKLAND, CA 94618
Alameda County (510) 655-3797
SAKAI AND JUNGE OPTOMETRY CORP.
Optometrist
5321 COLLEGE AVE
OAKLAND, CA 94618
Alameda County (510) 655-3797
THUVAN NGUYEN OD
Optometrist
5321 COLLEGE AVE
OAKLAND, CA 94618
Alameda County (510) 655-3797
DR. DONALD S. SARVER O.D.
Optometrist
5321 COLLEGE AVE
OAKLAND, CA 94618
Alameda County (510) 655-3797

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 Cindy Sakai's NPI number?

The NPI number for Cindy Sakai is 1922158369. It was assigned to this individual provider in the NPPES registry on January 10, 2007. The provider is also known as Cindy Yumi Sakai Kim O.D..

Where is Cindy Sakai located?

Cindy Sakai practices at 5321 College Ave, Oakland, CA 94618. The listed phone number is (510) 655-3797.

What is Cindy Sakai's specialty?

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

Is Cindy Sakai enrolled in Medicare?

Yes. Cindy Sakai is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Cindy Sakai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cindy Sakai reassigns Medicare benefits to 2 organizations: Sakai And Junge Optometry Corp. (Oakland, CA) and Sakai And Junge Optometry Corp. (Oakland, CA). Each 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 Cindy Sakai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cindy Sakai accept?

Health plans from Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee and Providence Health Plan list Cindy Sakai 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 Cindy Sakai was last updated on May 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.