DR. GARY KAMAN LAU M.D.
NPI 1740477017
Anesthesiology in Los Alamitos, CA
About Dr. Gary Kaman Lau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY KAMAN LAU M.D. (NPI 1740477017) is an individual anesthesiology provider in Los Alamitos, California, licensed in California (A99891) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. Gary Kaman Lau M.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Gary Lau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 clinicians in this Medicare group
Foothill Ranch, CA 92610
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
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 6
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.
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
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.
LOS ALAMITOS, CA 90720
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 Gary Lau's NPI number?
The NPI number for Gary Lau is 1740477017. It was assigned to this individual provider in the NPPES registry on October 1, 2007.
Where is Gary Lau located?
Gary Lau practices at 3751 Katella Ave, Los Alamitos, CA 90720. The listed phone number is (562) 598-1311.
What is Gary Lau's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gary Lau enrolled in Medicare?
Yes. Gary Lau 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 organizations bill Medicare for Gary Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Lau reassigns Medicare benefits to 2 organizations: Orange Coast Anesthesia Inc (Orange, CA) and Clarity Anesthesia Medical Group (Foothill Ranch, 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 Gary Lau'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 Gary Lau was last updated on July 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Gary Kaman Lau, M.D. · NPI 1740477017
Anesthesiology physician in Los Alamitos, California. Individual provider, active in the CMS NPPES registry since October 1, 2007.
## Identity
- **NPI:** 1740477017 (Entity type: Individual)
- **Enumerated:** October 1, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A99891 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3751 KATELLA AVE, Los Alamitos, CA 90720-3113
- **Phone:** (562) 598-1311
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Orange Coast Anesthesia Inc (NPI 1508138256, Orange, CA); Clarity Anesthesia Medical Group (NPI 1922533918, Foothill Ranch, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** July 21, 2011
- **Other identifiers:** Medicaid 1740477017 (CA); Other 00A998910 (CA); Other 1942504501 (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1740477017) · Data from the CMS NPPES public registry.