LOUISE Y YEUNG M.D.
NPI 1649509167
Surgery in Los Angeles, CA

Active since December 11, 2009PECOS EnrolledAccepts Medicare Assignment
8635 W 3RD ST STE 795W, LOS ANGELES, CA 90048(310) 423-8350 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Louise Y Yeung M.d. NPPES

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

LOUISE Y YEUNG M.D. (NPI 1649509167) is an individual surgery provider in Los Angeles, California, licensed in California (A 106518) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1649509167
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameLOUISE Y YEUNGCredential: M.D.
Location Address8635 W 3RD ST STE 795WLos Angeles, CA 90048-6129
Mailing Address8635 W 3rd St Ste 795wLos Angeles, CA 90048-6129 · (310) 423-8350
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateDecember 11, 2009
Last NPPES UpdateDecember 3, 2021
NPPES CertifiedDecember 3, 2021
✔ NPI 1649509167 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A 106518
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
8635 W 3RD ST STE 795W, Los Angeles, CA 90048

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

Louise Y Yeung M.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 ID4284851536
PECOS Enrollment IDI20140808001993
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 Louise Yeung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
6041 CADILLAC AVE
Los Angeles, CA 90034
  • 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 90048 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 9

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

Nurse Practitioner (Adult Health)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Nurse Practitioner (Family)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Nurse Practitioner (Acute Care)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Nurse Practitioner (Acute Care)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Physician Assistant
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048

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 Louise Yeung's NPI number?

The NPI number for Louise Yeung is 1649509167. It was assigned to this individual provider in the NPPES registry on December 11, 2009.

Where is Louise Yeung located?

Louise Yeung practices at 8635 W 3rd St Ste 795W, Los Angeles, CA 90048. The listed phone number is (310) 423-8350.

What is Louise Yeung's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Louise Yeung enrolled in Medicare?

Yes. Louise Yeung 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 Louise Yeung's services?

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

When was this NPI record last updated?

The NPPES record for Louise Yeung was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.