Dr. Ignatius Lau, MD
- Medicare services, 2024
- 1,822
- Medicare patients, 2024
- 349
- Part D claims, 2024
- 136
- MIPS score, 2024
- 100
- Hospital affiliations
- 3
- Practice address
- 2255 S Bascom Ave Ste 205, Campbell, CA 95008
- Practice phone
- Call (408) 376-3626
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Bay Vascular Center & Vein Institute
Imaging Center - Main Location · Campbell, California
Find Dr. Lau's professional email, personal email and mobile number
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Dr. Ignatius Lau is a vascular surgeon in Campbell, California
Dr. Lau practices at South Bay Vascular Center & Vein Institute in Campbell, California.
Dr. Lau's NPI, 1407210529, was assigned on April 6, 2016. Dr. Lau graduated from Stony Brook University Health Sciences Center School of Medicine in 2016. Dr. Lau holds California license A171825.
- NPI
- 1407210529NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416364575
- NPI enumeration date
- April 6, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 376-3626
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ignatius Lau practices at South Bay Vascular Center & Vein Institute in Campbell, California
Dr. Lau's primary practice is South Bay Vascular Center & Vein Institute, at 2255 S Bascom Ave Ste 205, Campbell, CA 95008. The practice phone is (408) 376-3626.
- South Bay Vascular Center & Vein Institute2255 S Bascom Ave Ste 205, Campbell, CA 95008Phone(408) 376-3626
Source: Dmand AI Affiliation Data
Dr. Ignatius Lau is affiliated with 5 sites of care and 2 medical groups
Dr. Lau's primary practice is South Bay Vascular Center & Vein Institute in Campbell, California. Dr. Lau is also affiliated with Santa Clara Valley Medical Center. The medical group on file is South Bay Vascular Center & Vein Institute. Dmand AI also links Dr. Lau to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Lau's employer is on file too: an imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ignatius Lau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lau practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Bay Vascular Center & Vein Institute | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ignatius Lau is one of 532 vascular surgeons in California
Vascular surgery is Dr. Lau's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Lau is licensed in California.
Specialties and state licenses
- Vascular surgery, CaliforniaPrimary
Vascular surgeons near Dr. Lau
Counts of vascular surgeons 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. Ignatius Lau billed Medicare for 1,822 services in 2024
CMS data shows 1,822 Medicare services from Dr. Lau across 22 procedure codes in 2024, for 349 Medicare patients. Medicare paid $586,620 for them.
Dr. Lau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8742024: 74215%
- Tests and treatments
- 2023: 4062024: 45011%
- Surgery
- 2023: 4262024: 26438%
- Imaging
- 2023: 1722024: 1762%
- Drugs given in the office
- 2023: 1292024: 9923%
- Other services
- 2023: 1002024: 919%
Where Dr. Lau's Medicare services took place, 2024
- In an office1,73895%
- In a facility845%
Dr. Lau compared with the California median for vascular surgeons, 2024
- Dr. Lau
- California median
- Medicare services
- 1,822vs 6093.0 times
- Medicare patients
- 349vs 27228% above
- Part D claims
- 121vs 552.2 times
Medians across 499 vascular surgeons 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ignatius Lau treated 349 Medicare patients in 2024, average age 76
CMS counts 349 Medicare patients who saw Dr. Lau in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 3.69, 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 73, with 47% women.
Dr. Lau's Medicare patients by age, 2024
Dr. Lau's Medicare patients by sex, 2024
- Women15845%
- Men19155%
Chronic conditions among Dr. Lau's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Chronic kidney disease54%
- Ischemic heart disease52%
- Arthritis42%
- Heart failure42%
- Atrial fibrillation32%
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 73
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ignatius Lau wrote 136 Medicare Part D claims in 2024
In 2024, Dr. Lau wrote 136 Medicare Part D claims for 71 patients. 87% of them were for generic drugs. CMS names the drug for 121 of them, across 4 drugs with 11 or more claims each, at $22,137 in total drug cost. In 2023, CMS named 137 claims across 5 drugs.
Dr. Lau's Part D claims by kind of drug, 2024
- Generic118 claims87%
- Brand-name18 claims13%
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
- Opioids29%39 of 136 claims
- Antibiotics9%12 of 136 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: 1372024: 12112%
Drugs named by CMS: 4 in 2024, 5 in 2023.
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. Ignatius 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 as part of a group. Dr. Lau accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 73 procedures of leg revascularization (restoring blood flow) by Dr. Lau, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Lau's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Lau ranks in Medicare procedure volume
- Removal of tissue
- 86th percentile105 procedures
- Leg revascularization (restoring blood flow)
- 97th percentile73 procedures
- Varicose vein removal
- 73rd percentile46 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ignatius Lau received $17,667 in industry payments from 2020 to 2025
CMS Open Payments shows 403 general payments to Dr. Lau from 42 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 90% of the total. Medtronic, Inc. paid the most, $3,104.
General payments to Dr. Lau by program year, 2020 to 2025
General payments to Dr. Lau by kind, 2020 to 2025
- Food and beverage$15,89290%
- Travel and lodging$1,69910%
- Education$760%
Companies that paid Dr. Lau the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ignatius Lau graduated from Stony Brook University Health Sciences Center School of Medicine
Dr. Lau graduated from Stony Brook University Health Sciences Center School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ignatius Lau's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ignatius 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. Ignatius Lau's NPI number?
Dr. Ignatius Lau's NPI number is 1407210529. It was assigned on April 6, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Ignatius Lau?
Dr. Ignatius Lau is a vascular surgeon in Campbell, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Ignatius Lau practice?
Dr. Lau practices at 2255 S Bascom Ave Ste 205, Campbell, CA 95008. Dr. Lau's primary practice is South Bay Vascular Center & Vein Institute in Campbell, California. Dmand AI also links Dr. Lau to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Ignatius Lau's office phone number?
The practice phone on file for Dr. Lau is (408) 376-3626.
What is Dr. Ignatius Lau's medical license number?
Dr. Lau holds California license A171825.
Which hospitals is Dr. Ignatius Lau affiliated with?
Dr. Lau is affiliated with Santa Clara Valley Medical Center. Dmand AI links Dr. Lau to 2 more hospitals.
What medical group is Dr. Ignatius Lau part of?
Dr. Lau is linked to South Bay Vascular Center & Vein Institute. Dmand AI links Dr. Lau to 1 more medical group.
Does Dr. Ignatius Lau accept Medicare?
Yes. CMS data shows Dr. Lau billed Medicare for 1,822 services in 2024, and Dr. Lau accepts Medicare assignment.
What is Dr. Ignatius Lau's MIPS score?
Dr. Lau's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ignatius Lau see?
CMS counts 349 Medicare patients who saw Dr. Lau in 2024, with an average age of 76.
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What services does Dr. Ignatius Lau bill to Medicare?
In 2024, Dr. Lau's most billed Medicare services were office visit, established patient (99213), special service (99153) and office visit, established patient (99214).
Where did Dr. Ignatius Lau go to medical school?
Dr. Lau graduated from Stony Brook University Health Sciences Center School of Medicine in 2016.
What drugs does Dr. Ignatius Lau prescribe most?
In 2024 Medicare Part D data, Dr. Lau's most prescribed drugs by claims were Clopidogrel, Hydrocodone-Acetaminophen and Xarelto.
Has Dr. Ignatius Lau received payments from drug or device companies?
CMS Open Payments shows $17,667 in general payments to Dr. Lau from 42 companies from 2020 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Ignatius Lau been practicing?
Dr. Lau graduated from medical school in 2016, 10 years ago.
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