DIANA LAU M.D.
NPI 1669600011
Orthopaedic Surgery in Los Alamitos, CA

Q: What is Diana Lau's NPI number?

The NPI number for Diana Lau is 1669600011. It was assigned to this individual provider in the NPPES registry on June 24, 2009.

Q: What is Diana Lau's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Diana Lau was last updated on December 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since June 24, 2009PECOS Enrolled

3851 KATELLA AVE STE 150, LOS ALAMITOS, CA 90720(562) 314-1400 Get Directions Write a Review

NPPES record last updated: December 18, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 5, 2023, Jun 26, 2020, Nov 14, 2017 and 1 more (4 updates tracked since 2015).

On this page

About Diana Lau M.d. NPPES

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

DIANA LAU M.D. (NPI 1669600011) is an individual orthopaedic surgery provider in Los Alamitos, California, licensed in California (A124135) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669600011

Entity TypeIndividualFemale

Primary Taxonomy207X00000X

Provider Legal NameDIANA LAUCredential: M.D.

Location Address3851 KATELLA AVE STE 150Los Alamitos, CA 90720-3353

Mailing Address6230 Irvine Blvd # 426Irvine, CA 92620-2103

Phone(562) 314-1400

Sole ProprietorNo

Enumeration DateJune 24, 2009

Last NPPES UpdateDecember 18, 20234 updates tracked since enumeration

NPPES CertifiedDecember 18, 2023

✔ NPI 1669600011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in CA · A124135

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Sports MedicineTaxonomy 207XX0005X · License A124135 (CA)

3851 KATELLA AVE STE 150, Los Alamitos, CA 90720

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Lau M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

97%183 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

1%252 patients1/55-star benchmark: 97%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

35%252 patients2/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

1%252 patients1/55-star benchmark: 89%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

12%252 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 5

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

GRIETJE VAN DYK MD

Orthopaedic Surgery