Physician

Ignatius Lau, M.D.

According to 2025 Medicare claims, Ignatius Lau, M.D. (NPI: 1407210529) practices vascular surgery in the San Jose-Sunnyvale-Santa Clara, CA market, with the plurality of this provider's patient population coming from Santa Clara, CA. This provider's primary affiliated billing organization is POLYXENE GAZETAS KOKINOS MD PC (NPI: 1831687672; TIN: 770556419) and primary practice location at 95008-7800.

Lau's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 349 traditional Medicare patients, billed 2,118 HCPCS/CPT codes, and received $848,755 in Medicare payments. The top billing code was 99223 (Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes). Part D data shows 136 prescription claims across 71 beneficiaries totaling $26,310 in drug costs, led by Xarelto (Rivaroxaban). 2023 DME data shows 23 claims. Open Payments data shows 77 records totaling $3,848. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have risen steadily, from $937 to $26,310. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	67	172	$54,680
2022	311	1,909	$765,930
2023	342	2,623	$1,079,907
2024	349	2,118	$848,755

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	N/R	N/R	N/R
2016	18	20	$937
2017	14	18	$2,583
2018	11	17	$2,769
2019	N/R	18	$4,438
2020	13	20	$572
2021	16	20	$1,856
2022	63	135	$18,033
2023	72	160	$21,953
2024	71	136	$26,310

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	24	$7,648
2023	23	23	$17,055
2024	N/R	N/R	N/R

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	69	$153
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	149	$120
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	190	407	$87
99152	Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes	66	95	$53
76937	Ultrasonic guidance for blood vessel access	74	122	$36

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Xarelto	Rivaroxaban	15	1,170	$21,288
Clopidogrel	Clopidogrel Bisulfate	58	5,120	$511
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	37	243	$242
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	11	118	$96

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	77	$3,848	Medtronic, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Ignatius Lau, M.D.?

Tedicare shows public-source Medicare data for Ignatius Lau, M.D. (NPI 1407210529), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Ignatius Lau, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Ignatius Lau, M.D.?

Ignatius Lau, M.D. is linked to POLYXENE GAZETAS KOKINOS MD PC (billing NPI 1831687672) in the available physician profile data.

Does Ignatius Lau, M.D. have Open Payments data?

Ignatius Lau, M.D. has 77 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.