Dr. Wei Ling Lau, MD

  • Orange, CA
  • Nephrologist
NPI1558572032PAC ID6305095134
Medicare services, 2024
866
Medicare patients, 2024
266
Part D claims, 2024
938
Publications
75
Clinical trials
1
Practice address
1809 West Chapman Avenue, Orange, CA 92668
Practice phone
Call (714) 456-5555
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fresenius Kidney Care University Dialysis Center Of Orange

Dialysis Center - Independent · Orange, California

See all 4 affiliations

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Dr. Wei Ling Lau is a nephrologist in Orange, California

Dr. Lau practices at Fresenius Kidney Care University Dialysis Center Of Orange in Orange, California.

Dr. Lau's NPI, 1558572032, was assigned on May 25, 2007. Dr. Lau graduated from WashU Medicine in 2005. Dr. Lau holds California license A98505.

NPI and contact details
Medicare PAC ID
6305095134
NPI enumeration date
May 25, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 456-5555
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Wei Ling Lau practices at Fresenius Kidney Care University Dialysis Center of Orange in Orange, California

Dr. Lau's primary practice is Fresenius Kidney Care University Dialysis Center of Orange, at 1809 West Chapman Avenue, Orange, CA 92668 in Orange County. The practice phone is (714) 456-5555.

  • Fresenius Kidney Care University Dialysis Center of Orange
    1809 West Chapman Avenue, Orange, CA 92668 · Orange CountyPhone(714) 456-5555

Source: Dmand AI Affiliation Data

Dr. Wei Ling Lau is affiliated with 3 sites of care and 1 medical group

Dr. Lau's primary practice is Fresenius Kidney Care University Dialysis Center Of Orange in Orange, California. Dr. Lau is also affiliated with UCI Health - Orange. The medical group on file is UCI Health Physicians. Dmand AI also links Dr. Lau to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Lau

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Wei Ling Lau's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lau practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fresenius Kidney Care University Dialysis Center Of OrangeAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wei Ling Lau is one of 1,401 nephrologists in California

Nephrology is Dr. Lau's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Lau is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Lau's licenses on file in 2 states: California and Washington.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A98505 · 2007 to 2027 · taxonomy 207RN0300X
  • Washington license2008 to 2013

Clinical focus

Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease, fluid and electrolyte imbalances and parathyroid gland disorder among the conditions Dr. Lau treats.

Nephrologists near Dr. Lau

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Wei Ling Lau billed Medicare for 866 services in 2024

CMS data shows 866 Medicare services from Dr. Lau across 14 procedure codes in 2024, for 266 Medicare patients. Medicare paid $115,501 for them.

Medicare services, 2024866
Medicare patients266
Paid by Medicare$115,501
Procedure codes14

Dr. Lau's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5092024: 59417%
Tests and treatments
2023: 782024: 212172%
Other services
2023: 02024: 60

Where Dr. Lau's Medicare services took place, 2024

  • In an office52561%
  • In a facility34139%

Dr. Lau compared with the California median for nephrologists, 2024

  • Dr. Lau
  • California median
Medicare services
866vs 1,08420% below
Medicare patients
266vs 30713% below
Part D claims
749vs 95522% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Lau's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Lau

Need commercial claims for Dr. Lau?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lau and other nephrologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Wei Ling Lau treated 266 Medicare patients in 2024, average age 72

CMS counts 266 Medicare patients who saw Dr. Lau in 2024. The largest group is 65 to 74, with 94 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 42% are also on Medicaid. Their average risk score is 5.28, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lau's median patient age at 65, with 40% women.

Medicare patients, 2024266
Average age72
Average risk score5.28
Also on Medicaid42%

Dr. Lau's Medicare patients by age, 2024

Dr. Lau's Medicare patients by sex, 2024

  • Women10841%
  • Men15859%

Chronic conditions among Dr. Lau's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes62%
  5. Ischemic heart disease50%
  6. Heart failure45%
  7. Arthritis44%
  8. Atrial fibrillation30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Lau's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women40%
  • Men58%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Wei Ling Lau wrote 938 Medicare Part D claims in 2024

In 2024, Dr. Lau wrote 938 Medicare Part D claims for 119 patients. 84% of them were for generic drugs. CMS names the drug for 749 of them, across 30 drugs with 11 or more claims each, at $288,653 in total drug cost. In 2023, CMS named 617 claims across 26 drugs.

Part D claims, 2024938
Drugs named by CMS30
Total drug cost$288,653
Part D patients119

Dr. Lau's Part D claims by kind of drug, 2024

  • Generic786 claims84%
  • Brand-name152 claims16%

Dr. Lau's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Lau's Part D claims, 2024

  • Opioids1%12 of 938 claims
  • Antibiotics3%25 of 938 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6172024: 74921%

Drugs named by CMS: 30 in 2024, 26 in 2023.

See all prescribing by Dr. Lau

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Wei Ling Lau scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Lau for performance year 2024, reported through an alternative payment model (APM). Dr. Lau accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lau as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Lau's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Wei Ling Lau has 75 publications on record

Dmand AI links 75 papers to Dr. Lau, published from 2007 to 2025. 2016 was the busiest year, with 7. The most frequent topics are Renal Insufficiency, Chronic, Renal Dialysis and Kidney Failure, Chronic. Dr. Lau has published most often in Nephrol Dial Transplant. Dr. Lau's most frequent co-authors are Kamyar Zadeh Kalantar-Zadeh, MD, Connie Meeyoung Rhee, MD and Csaba Pal Kovesdy, MD.

Papers75
Years published2007 to 2025

Dr. Lau's papers by year, 2016 to 2025

Topics Dr. Lau writes about most

  • Renal Insufficiency, Chronic
  • Renal Dialysis
  • Kidney Failure, Chronic
  • Disease Models, Animal
  • Kidney
  • Gastrointestinal Microbiome
  • Phosphates
  • Uremia

Dr. Lau's most frequent co-authors

Recent publications by Dr. Lau

See all 75 publications and co-authors

See who Dr. Lau researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lau works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Wei Ling Lau has worked on 1 clinical trial

Dmand AI links Dr. Lau to 1 clinical trial. Conditions studied include Emergencies and Disease Attributes.

Conditions in Dr. Lau's trials

  • Emergencies
  • Disease Attributes

Recent clinical trials with Dr. Lau

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Wei Ling Lau received $9,387 in industry payments from 2016 to 2025

CMS Open Payments shows 51 general payments to Dr. Lau from 18 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 32% of the total. Fresenius USA Marketing, Inc. paid the most, $5,097.

General payments to Dr. Lau by program year, 2016 to 2025

General payments to Dr. Lau by kind, 2016 to 2025

$9.4Kin total
  • Speaker and faculty fees$3,00032%
  • Consulting fees$2,88831%
  • Food and beverage$2,47726%
  • Travel and lodging$7428%
  • Education$2813%

Companies that paid Dr. Lau the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lau

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Wei Ling Lau has 1 award and honors on record

Dmand AI lists 1 award for Dr. Lau.

Awards and honors for Dr. Lau

  1. Undated
    • See faculty website: http://www.faculty.uci.edu/profile.cfm?faculty_id=5984

Source: Dmand AI Professional Profile Data

Dr. Wei Ling Lau graduated from WashU Medicine

Dr. Lau graduated from WashU Medicine in 2005. Dr. Lau is a member of ACP, AHA and ASN.

  1. Medical schoolWashU Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Wei Ling Lau accepts plans from 7 insurance carriers

Dr. Lau is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Lau accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. POS3
  4. EPO2
  5. HMO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Wei Ling Lau's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Wei Ling Lau

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Wei Ling Lau's NPI number?

Dr. Wei Ling Lau's NPI number is 1558572032. It was assigned on May 25, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Wei Ling Lau?

Dr. Wei Ling Lau is a nephrologist in Orange, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Wei Ling Lau practice?

Dr. Lau practices at 1809 West Chapman Avenue, Orange, CA 92668. Dr. Lau's primary practice is Fresenius Kidney Care University Dialysis Center Of Orange in Orange, California. Dmand AI also links Dr. Lau to 1 group practice or clinic.

What is Dr. Wei Ling Lau's office phone number?

The practice phone on file for Dr. Lau is (714) 456-5555.

What is Dr. Wei Ling Lau's medical license number?

Dr. Lau holds California license A98505, one of the licenses on file in 2 states.

Which states has Dr. Wei Ling Lau been licensed in?

Dmand AI has state licenses on file for Dr. Lau in California (2007 to 2027) and Washington (2008 to 2013).

Which hospitals is Dr. Wei Ling Lau affiliated with?

Dr. Lau is affiliated with UCI Health - Orange.

What medical group is Dr. Wei Ling Lau part of?

Dr. Lau is linked to UCI Health Physicians.

Does Dr. Wei Ling Lau accept Medicare?

Yes. CMS data shows Dr. Lau billed Medicare for 866 services in 2024, and Dr. Lau accepts Medicare assignment.

Does Dr. Wei Ling Lau offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Lau as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Wei Ling Lau's MIPS score?

Dr. Lau's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Wei Ling Lau see?

CMS counts 266 Medicare patients who saw Dr. Lau in 2024, with an average age of 72.

Is Dr. Wei Ling Lau board certified?

Yes. Dr. Lau is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Wei Ling Lau bill to Medicare?

In 2024, Dr. Lau's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and hospital inpatient care (99232).

Where did Dr. Wei Ling Lau go to medical school?

Dr. Lau graduated from WashU Medicine in 2005.

What drugs does Dr. Wei Ling Lau prescribe most?

In 2024 Medicare Part D data, Dr. Lau's most prescribed drugs by claims were Amlodipine Besylate, Lisinopril and Losartan Potassium.

Has Dr. Wei Ling Lau received payments from drug or device companies?

CMS Open Payments shows $9,387 in general payments to Dr. Lau from 18 companies from 2016 to 2025. The largest total came from Fresenius USA Marketing, Inc.

How long has Dr. Wei Ling Lau been practicing?

Dr. Lau graduated from medical school in 2005, 21 years ago.

Does Dr. Wei Ling Lau do research?

Dmand AI links 75 publications to Dr. Lau, published from 2007 to 2025. Dr. Lau has worked on 1 clinical trial.

Who does Dr. Wei Ling Lau publish with?

Dr. Lau's most frequent co-authors are Kamyar Zadeh Kalantar-Zadeh, MD (31 shared papers), Connie Meeyoung Rhee, MD (17 shared papers) and Csaba Pal Kovesdy, MD (12 shared papers).

What insurance does Dr. Wei Ling Lau accept?

Dr. Lau is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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