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REX YANG
NPI 1366339202
Optometrist in Monterey Park, CA

Active since June 23, 2025PECOS Enrolled
319 N ALHAMBRA AVE APT F, MONTEREY PARK, CA 91755(626) 560-7501 Get Directions Write a Review

NPPES record last updated: June 21, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Rex Yang NPPES

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

REX YANG (NPI 1366339202) is an individual optometrist in Monterey Park, California, licensed in California (36261) and active in the NPI registry since June 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366339202
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameREX YANG
Location Address319 N ALHAMBRA AVE APT FMonterey Park, CA 91755-1940
Mailing Address319 N Alhambra Ave Apt FMonterey Park, CA 91755-1940 · (626) 560-7501
Phone(626) 560-7501
Sole ProprietorNo
Enumeration DateJune 23, 2025
Last NPPES UpdateJune 21, 2026
NPPES CertifiedJune 21, 2026
✔ NPI 1366339202 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 · 36261
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.
319 N ALHAMBRA AVE APT F, Monterey Park, CA 91755
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rex Yang 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 91755 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.

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 Rex Yang's NPI number?

The NPI number for Rex Yang is 1366339202. It was assigned to this individual provider in the NPPES registry on June 23, 2025.

Where is Rex Yang located?

Rex Yang practices at 319 N Alhambra Ave Apt F, Monterey Park, CA 91755. The listed phone number is (626) 560-7501.

What is Rex Yang's specialty?

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

Is Rex Yang enrolled in Medicare?

Yes. Rex Yang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Rex Yang was last updated on June 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.