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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. DIANE LE YANG O.D.
NPI 1790775674
Optometrist in San Diego, CA

Active since October 24, 2005PECOS Enrolled
5405 UNIVERSITY AVE, SAN DIEGO, CA 92105(619) 229-6689(619) 286-1659 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. Diane Le Yang O.d. NPPES

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

DR. DIANE LE YANG O.D. (NPI 1790775674) is an individual optometrist in San Diego, California, licensed in California (12831T) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (2005).

NPPES Registry Identity

NPI1790775674
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. DIANE LE YANGCredential: O.D.
Location Address5405 UNIVERSITY AVESan Diego, CA 92105-2304
Mailing Address7276 Kamwood StSan Diego, CA 92126-5146 · (858) 586-1758 · Fax (858) 586-1758
Phone(619) 229-6689
Fax(619) 286-1659
Sole ProprietorNo
Medical School CMSUniversity Of California - School Of OptometryGraduated 2005
Enumeration DateOctober 24, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1790775674 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 · 12831T
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.
5405 UNIVERSITY AVE, San Diego, CA 92105
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Other Names 1

Former Name (1)Dr. Dong-anh Chi Le O.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Diane Le Yang 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 ID4183643042
PECOS Enrollment IDI20051121000443
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.

Areas of Expertise CMS Part B claims

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 straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92105 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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

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

COLE VISION CORPORATION
Eyewear Supplier
5405 UNIVERSITY AVE, SEARS ESSENTIALS
SAN DIEGO, CA 92105
San Diego County (619) 286-1607

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 Diane Yang's NPI number?

The NPI number for Diane Yang is 1790775674. It was assigned to this individual provider in the NPPES registry on October 24, 2005. The provider is also known as Dr. Dong-Anh Chi Le O.D..

Where is Diane Yang located?

Diane Yang practices at 5405 University Ave, San Diego, CA 92105. The listed phone number is (619) 229-6689.

What is Diane Yang's specialty?

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

Is Diane Yang enrolled in Medicare?

Yes. Diane Yang 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.

What insurance does Diane Yang accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 2 other insurers list Diane Yang 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 Diane Yang 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.