Lau, Vivian

Lau, Vivian was paid $258K by Medicaid between Jan 2018 and Oct 2024, across 4 billing codes. Its largest line is 99285, emergency room visit (most serious) — 47% of everything it billed.

33Billing provider infoLAU, VIVIAN
PEORIA, IL 61637

33aNPI1437443777assigned 06/03/2011

33bProvider typeEmergency Medicine Physician

28Total paid$258K

24GClaims4,624

24DCodes billed4

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Emergency Medicine Physician providers in Illinois

Rank by total paid#565 of 1,980

Median peer was paid$150K

This provider vs. median1.7×

Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.

Box 24A · Dates of service

Paid by month

Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider

By year, as a table

Year	Claims	Paid
2018	754	$28K
2019	898	$36K
2020	640	$32K
2021	712	$51K
2022	584	$42K
2023	679	$44K
2024incomplete	357	$26K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99285	Emergency room visit (most serious)Emergency department visit for the evaluation and management, high severity with immediate threat to life	47%	1,553	1,447	$120K
99284	Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity	38%	1,768	1,671	$97K
99283	Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity	13%	979	939	$33K
99282	Emergency department visit for the evaluation and management, low to moderate severity	2.9%	324	308	$7K

Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.