Karen Ka Ling Lau, M.D.
Family Medicine Physician · Anaheim, CA
Karen Ka Ling Lau, M.D. is a family medicine physician with a practice address in Anaheim, California, and NPI 1548595580, issued on Oct 8, 2009. Check the license (California A109171, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Ka Ling Lau
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A109171 CA
Self-reported in NPPES; status is on the state search - Practice location
- 761 S Weir Canyon RD Ste 185, Anaheim, CA 92808
- Phone
- (714) 282-6934
- Enumerated
- Oct 8, 2009
- Record last updated
- Nov 22, 2025
- Fax
- (714) 282-6935
- Medicare enrollment
- Enrolled (PECOS I20091211000667); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 761 S Weir Canyon RD Ste 185
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jason Ly, FNPFamily Nurse Practitioner1699438762
- Karren Tan, NPFamily Nurse Practitioner1578226064
Verify Karen Ka Ling Lau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109171Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average family medicine physician in 2024
6,106 Medicare Part D claims for 525 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 93 claims were for opioids.
Most prescribed
- Atorvastatin Calcium418 claims
- Rosuvastatin Calcium367 claims
- Levothyroxine Sodium337 claims
- Losartan Potassium271 claims
- Amlodipine Besylate226 claims
- Escitalopram Oxalate123 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Centers For Family Medicine GPOrange, CA
- Healthcare Partners Affiliates Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Ka Ling Lau among 17,133 family medicine physician records in California
Karen Ka Ling Lau, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
234 family medicine physician records list a practice address in Anaheim
They are 234 of the 9,018 NPPES records with a practice address in Anaheim, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Anaheim → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jason Berry, D.O.Anaheim, CA 928081598742710
- Henry Cheng, M.D.Anaheim, CA 928081811276181
- Natalie Garcia-Montoya, M.D.Anaheim, CA 928081134411424
- Jo Pitzer, MDAnaheim, CA 928081740254366
- Gregory Thier, MDAnaheim, CA 928081922088558
- Lauren Wheeler, DOAnaheim, CA 928081194345116
- Carol Ahmed, D.O.Anaheim, CA 928071598962961
- Clifford Clinton, M.D.Anaheim, CA 928071063613669
Common questions
What is Karen Ka Ling Lau, M.D.'s NPI number?
Karen Ka Ling Lau, M.D.'s National Provider Identifier (NPI) is 1548595580, issued on Oct 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Karen Ka Ling Lau, M.D. located?
The NPPES record lists a practice address at 761 S Weir Canyon RD Ste 185, Anaheim, CA, 92808. Phone: (714) 282-6934. Providers update this record themselves, so call before visiting.
How can I verify Karen Ka Ling Lau, M.D.'s license?
NPPES lists California license number A109171, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Ka Ling Lau, M.D. prescribe under Medicare Part D?
In 2024, Karen Ka Ling Lau, M.D. had 6,106 Medicare Part D claims for 525 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.