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THUY LIEN DANG LAI MD
NPI 1295894806
Allergy & Immunology - Allergy in Riverside, CA

Active since December 08, 2006PECOS EnrolledAccepts Medicare Assignment
10800 MAGNOLIA AVE, RIVERSIDE, CA 92505(909) 353-2000 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Thuy Lien Dang Lai Md NPPES

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

THUY LIEN DANG LAI MD (NPI 1295894806) is an individual allergy provider in Riverside, California, licensed in California (A80721) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1295894806
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameTHUY LIEN DANG LAICredential: MD
Location Address10800 MAGNOLIA AVERiverside, CA 92505-3043
Mailing Address10800 Magnolia AveRiverside, CA 92505-3043 · (909) 353-2000
Phone(909) 353-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateDecember 8, 2006
Last NPPES UpdateDecember 3, 2021
✔ NPI 1295894806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in CA · A80721
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
10800 MAGNOLIA AVE, Riverside, CA 92505
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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 and accepts Medicare assignment

Thuy Lien Dang Lai Md 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 ID9537208566
PECOS Enrollment IDI20091203000422
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 Thuy Lien Lai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
Same address
Health Maintenance Organization
10800 MAGNOLIA AVE
Riverside, CA 92505
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1316979834 (866) 984-7483

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

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.

KAISER PERMANENTE
General Acute Care Hospital
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (951) 353-4988
PATRICK T MC GILL PA
Physician Assistant
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
ROBERT L. RUDEK MD
Surgery
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
RICHARD M. BRADBURNE MD
Internal Medicine (Critical Care Medicine)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
SUNG JIN JOHN MD
Family Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
SHELLY C. THIO MD
Internal Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
GREGORY MARRUJO MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
REBECCA J SEAWELL NP
Nurse Practitioner
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000

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 Thuy Lien Lai's NPI number?

The NPI number for Thuy Lien Lai is 1295894806. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Thuy Lien Lai located?

Thuy Lien Lai practices at 10800 Magnolia Ave, Riverside, CA 92505. The listed phone number is (909) 353-2000.

What is Thuy Lien Lai's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Thuy Lien Lai enrolled in Medicare?

Yes. Thuy Lien Lai 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 Thuy Lien Lai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thuy Lien Lai reassigns Medicare benefits to Southern California Permanente Medical Group (Riverside, 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 Thuy Lien Lai'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 Thuy Lien Lai 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.