Oyasu, Kenji

Oyasu, Kenji was paid $532K by Medicaid between Jan 2018 and Aug 2024, across 6 billing codes. Its largest line is 99285, emergency room visit (most serious) — 42% of everything it billed.

33Billing provider infoOYASU, KENJI
WAUKEGAN, IL 60085

33aNPI1487768552assigned 08/18/2006

33bProvider typeSubstance Use Disorder Rehabilitation Clinic/Center

28Total paid$532K

24GClaims11,333

24DCodes billed6

24AFirst – last monthJan 2018 – Aug 2024

Compared with peers

Next to other Substance Use Disorder Rehabilitation Clinic/Center providers in Illinois

Rank by total paid#55 of 144

Median peer was paid$247K

This provider vs. median2.2×

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	2,269	$91K
2019	2,760	$113K
2020	2,644	$107K
2021	1,394	$73K
2022	1,447	$92K
2023	776	$53K
2024incomplete	43	$4K

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	42%	3,181	2,837	$221K
99284	Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity	30%	3,196	2,905	$159K
99283	Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity	26%	4,220	3,748	$139K
99291	Critical care, evaluation and management of the critically ill patient, first 30-74 minutes	1.3%	79	75	$7K
93010	Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only	<1%	575	457	$5K
99282	Emergency department visit for the evaluation and management, low to moderate severity	<1%	82	69	$2K

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.