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MEI YAN WOO AGACNP
NPI 1326814765
Nurse Practitioner - Acute Care in Los Angeles, CA

Active since November 28, 2023PECOS Enrolled
2051 MARENGO ST, LOS ANGELES, CA 90033(323) 409-1000 Get Directions Write a Review

NPPES record last updated: December 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mei Yan Woo Agacnp NPPES

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

MEI YAN WOO AGACNP (NPI 1326814765) is an individual acute care provider in Los Angeles, California, licensed in California (95025607) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326814765
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMEI YAN WOOCredential: AGACNP
Location Address2051 MARENGO STLos Angeles, CA 90033-1352
Mailing Address1418 S Ardilla AveWest Covina, CA 91790-2406 · (626) 731-0657
Phone(323) 409-1000
Sole ProprietorNo
Enumeration DateNovember 28, 2023
Last NPPES UpdateDecember 16, 2024
NPPES CertifiedDecember 16, 2024
✔ NPI 1326814765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · 95025607
2051 MARENGO ST, Los Angeles, CA 90033
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mei Yan Woo Agacnp 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.

Medicare Billing Reassignment

Medicare enrollment records show Mei Yan Woo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pulmonary Consultants And Wellness Center Inc PC
11 mi
Internal Medicine
555 E HARDY ST, IRA KAUFMAN PAVILLON
Inglewood, CA 90301
  • Reassigned Medicare billing, California enrollment
  • 39 clinicians in this Medicare group
NPI 1427440304 (310) 680-8095

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
60 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 20

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

DR. ISHAQUE ALI SYED M.D.
Internal Medicine
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-3147
CANDICE MARIE PALMISANO CNS
Clinical Nurse Specialist
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-8559
HAYLEY DAWN MORGAN
Respiratory Therapist, Registered
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-7928
COUNTY OF LOS ANGELES
Psychiatric Unit
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-2800
SIDNEY STEPHEN SORRELL MD
Student in an Organized Health Care Education/Training Program
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 442-1900
MR. PAUL ANDREW SCHMIDT
Respiratory Therapist, Registered (Neonatal/Pediatrics)
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-3281
ALDONIA ANTOINETTE WYLIE SENIOR RCP
Respiratory Therapist, Registered
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (562) 385-7687
MAXIMIANO VILLALPANDO NP
Nurse Practitioner (Acute Care)
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-5637

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 Mei Yan Woo's NPI number?

The NPI number for Mei Yan Woo is 1326814765. It was assigned to this individual provider in the NPPES registry on November 28, 2023.

Where is Mei Yan Woo located?

Mei Yan Woo practices at 2051 Marengo St, Los Angeles, CA 90033. The listed phone number is (323) 409-1000.

What is Mei Yan Woo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mei Yan Woo enrolled in Medicare?

Yes. Mei Yan Woo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mei Yan Woo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mei Yan Woo reassigns Medicare benefits to Pulmonary Consultants And Wellness Center Inc PC (Inglewood, 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 Mei Yan Woo'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 Mei Yan Woo was last updated on December 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.