YEN SOU OD
NPI 1649823436
Optometrist in Moreno Valley, CA

Active since July 20, 2019PECOS EnrolledAccepts Medicare Assignment
12625 FREDERICK ST STE B10, MORENO VALLEY, CA 92553(951) 571-2192 Get Directions Write a Review

NPPES record last updated: October 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 27, 2023, Mar 6, 2023, Jul 20, 2019 (3 updates tracked since 2019).

About Yen Sou Od NPPES

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

YEN SOU OD (NPI 1649823436) is an individual optometrist in Moreno Valley, California, licensed in California (34732TLG) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1649823436
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameYEN SOUCredential: OD
Location Address12625 FREDERICK ST STE B10Moreno Valley, CA 92553-5232
Mailing Address12625 Frederick St Ste B10Moreno Valley, CA 92553-5232 · (951) 571-2192
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 20, 2019
Last NPPES UpdateOctober 27, 20233 updates tracked since enumeration
NPPES CertifiedMarch 6, 2023
✔ NPI 1649823436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in CA · 34732TLG✔ Licensed in OR · 4472AT
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.
12625 FREDERICK ST STE B10, Moreno Valley, CA 92553

Accepted 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

Yen Sou Od 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 ID4880046044
PECOS Enrollment IDI20240123004757
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 Yen Sou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 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 92553 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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 2

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

Optometrist
12625 FREDERICK ST STE B10
MORENO VALLEY, CA 92553
Optometrist
12625 FREDERICK ST STE B10
MORENO VALLEY, CA 92553

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 Yen Sou's NPI number?

The NPI number for Yen Sou is 1649823436. It was assigned to this individual provider in the NPPES registry on July 20, 2019.

Where is Yen Sou located?

Yen Sou practices at 12625 Frederick St Ste B10, Moreno Valley, CA 92553. The listed phone number is (951) 571-2192.

What is Yen Sou's specialty?

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

Is Yen Sou enrolled in Medicare?

Yes. Yen Sou 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 organization bills Medicare for Yen Sou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yen Sou reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 Yen Sou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yen Sou accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 1 other insurer list Yen Sou 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 Yen Sou was last updated on October 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.