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LAUREN MIEKO LUM
NPI 1124856885
Physician Assistant in Laguna Hills, CA

Active since July 24, 2024PECOS Enrolled
23961 CALLE DE LA MAGDALENA STE 500, LAGUNA HILLS, CA 92653(949) 855-1101(949) 289-9171 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 29, 2026, Jul 24, 2024 (2 updates tracked since 2024).

About Lauren Mieko Lum NPPES

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

LAUREN MIEKO LUM (NPI 1124856885) is an individual physician assistant in Laguna Hills, California and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1124856885
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameLAUREN MIEKO LUM
Location Address23961 CALLE DE LA MAGDALENA STE 500Laguna Hills, CA 92653-7622
Mailing Address23961 Calle De La Magdalena Ste 500Laguna Hills, CA 92653-7622 · (949) 855-1101 · Fax (949) 289-9171
Phone(949) 855-1101
Fax(949) 289-9171
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJuly 24, 2024
Last NPPES UpdateApril 29, 20262 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1124856885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
23961 CALLE DE LA MAGDALENA STE 500, Laguna Hills, CA 92653
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Secondary Practice Locations 3

Location 116305 Sand Canyon Ave Ste 200Irvine, CA 92618-3783 · Phone (949) 855-1101 · Fax (949) 289-9171
Location 226691 Plaza Ste 120Mission Viejo, CA 92691-6347 · Phone (949) 855-1101 · Fax (949) 289-9171
Location 310110 Adams AveHuntington Beach, CA 92646-4907 · Phone (949) 855-1101 · Fax (949) 289-9171

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lauren Mieko Lum is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840769279
PECOS Enrollment IDI20260515000039
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 92653 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 20

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

POONE SHOURESHI M.D.
Urology (Urogynecology and Reconstructive Pelvic Surgery)
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1101
LEAH Y NAKAMURA M.D.
Urology (Urogynecology and Reconstructive Pelvic Surgery)
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1011
DR. DANIEL JIANG MD
Urology
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1101
DR. AARON SPITZ M.D.
Urology
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1101
ORANGE COUNTY UROLOGY ASSOCIATES, INC. A MEDICAL GROUP
Urology
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1101
DR. DANIEL SU M.D.
Urology
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1101
ASHLEY SWANSON NP
Nurse Practitioner
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1101
PAUL A BROWER M.D.
Urology
23961 CALLE DE LA MAGDALENA STE 500
LAGUNA HILLS, CA 92653
Orange County (949) 855-1101

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 Lauren Lum's NPI number?

The NPI number for Lauren Lum is 1124856885. It was assigned to this individual provider in the NPPES registry on July 24, 2024.

Where is Lauren Lum located?

Lauren Lum practices at 23961 Calle De La Magdalena Ste 500, Laguna Hills, CA 92653. The listed phone number is (949) 855-1101.

What is Lauren Lum's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Lauren Lum enrolled in Medicare?

Yes. Lauren Lum is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lauren Lum was last updated on April 29, 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.