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LINA UYEN LAM NP
NPI 1427534304
Nurse Practitioner - Family in Irvine, CA

Active since July 13, 2018PECOS Enrolled
9 TECHNOLOGY DR, IRVINE, CA 92618(949) 923-3200 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 29, 2025, Sep 17, 2025, Jul 13, 2018 (3 updates tracked since 2018).

About Lina Uyen Lam Np NPPES

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

LINA UYEN LAM NP (NPI 1427534304) is an individual family provider in Irvine, California, licensed in California (NP95009031) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427534304
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameLINA UYEN LAMCredential: NP
Location Address9 TECHNOLOGY DRIrvine, CA 92618-2302
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380
Phone(949) 923-3200
Sole ProprietorNo
Enumeration DateJuly 13, 2018
Last NPPES UpdateDecember 29, 20253 updates tracked since enumeration
NPPES CertifiedDecember 29, 2025
✔ NPI 1427534304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · NP95009031
9 TECHNOLOGY DR, Irvine, CA 92618
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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)

Lina Uyen Lam Np 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 Reassignments

2

Medicare enrollment records show Lina Lam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Healthcare Partners Affiliates Medical Group
6.6 mi
Addiction Medicine
14591 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1891981502 (714) 442-4864
Hung Nguyen, M.D., Inc.
13 mi
Family Medicine
10222 WESTMINSTER AVE
Garden Grove, CA 92843
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1174519573 (714) 539-0444

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 92618 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 4

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

KELSIE NOELLE KEGLEY
Nurse Practitioner (Family)
9 TECHNOLOGY DR
IRVINE, CA 92618
Orange County (949) 923-3200
CYNTHIA M POWELL PA-C
Physician Assistant
9 TECHNOLOGY DR
IRVINE, CA 92618
Orange County (949) 923-3200
RACHEL MICHELLE SEEDS PA-C
Physician Assistant
9 TECHNOLOGY DR
IRVINE, CA 92618
Orange County (949) 923-3200
MS. SAMANTHA MEI-LING TAN NP
Nurse Practitioner (Family)
9 TECHNOLOGY DR
IRVINE, CA 92618
Orange County (949) 923-3200

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 Lina Lam's NPI number?

The NPI number for Lina Lam is 1427534304. It was assigned to this individual provider in the NPPES registry on July 13, 2018.

Where is Lina Lam located?

Lina Lam practices at 9 Technology Dr, Irvine, CA 92618. The listed phone number is (949) 923-3200.

What is Lina Lam's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Lina Lam enrolled in Medicare?

Yes. Lina Lam is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lina Lam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lina Lam reassigns Medicare benefits to 2 organizations: Healthcare Partners Affiliates Medical Group (Tustin, CA) and Hung Nguyen, M.D., Inc. (Garden Grove, CA). Each 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 Lina Lam'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 Lina Lam was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.