LILY AU-YEUNG
NPI 1396635785
Family Medicine in Spring Valley, CA

Active since July 07, 2025PECOS Enrolled
10225 AUSTIN DR STE 105, SPRING VALLEY, CA 91978(858) 648-0755 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Lily Au-yeung NPPES

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

LILY AU-YEUNG (NPI 1396635785) is an individual family medicine provider in Spring Valley, California, licensed in California (95027997) and active in the NPI registry since July 2025. The provider is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1396635785
Entity TypeIndividual
Primary Taxonomy207Q00000X
Provider Legal NameLILY AU-YEUNG
Location Address10225 AUSTIN DR STE 105Spring Valley, CA 91978-1521
Mailing Address10225 Austin Dr Ste 105Spring Valley, CA 91978-1521
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 7, 2025
NPPES CertifiedJuly 7, 2025
NPI 1396635785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · 95027997
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
10225 AUSTIN DR STE 105, Spring Valley, CA 91978

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Lily Au-yeung is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7618473869
PECOS Enrollment IDI20251006001731
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 91978 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
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.

Nurse Practitioner (Primary Care)
10225 AUSTIN DR STE 105
SPRING VALLEY, CA 91978
Radiology (Diagnostic Radiology)
10225 AUSTIN DR STE 105
SPRING VALLEY, CA 91978

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 Lily Au-yeung's NPI number?

The NPI number for Lily Au-yeung is 1396635785. It was assigned to this individual provider in the NPPES registry on July 7, 2025.

Where is Lily Au-yeung located?

Lily Au-yeung practices at 10225 Austin Dr Ste 105, Spring Valley, CA 91978. The listed phone number is (858) 648-0755.

What is Lily Au-yeung's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Lily Au-yeung enrolled in Medicare?

Yes. Lily Au-yeung is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lily Au-yeung was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.