Williamson, John

Williamson, John was paid $463K by Medicaid between Jan 2018 and Dec 2024, across 6 billing codes. Its largest line is 99285, emergency room visit (most serious) — 48% of everything it billed.

33Billing provider infoWILLIAMSON, JOHN
MORRIS, IL 60450

33aNPI1629017108assigned 06/06/2006

33bProvider typeEmergency Medicine Physician

28Total paid$463K

24GClaims8,415

24DCodes billed6

24AFirst – last monthJan 2018 – Dec 2024

Compared with peers

Next to other Emergency Medicine Physician providers in Illinois

Rank by total paid#179 of 1,980

Median peer was paid$150K

This provider vs. median3.1×

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	1,196	$46K
2019	1,433	$56K
2020	1,527	$72K
2021	1,179	$71K
2022	977	$66K
2023	1,163	$77K
2024incomplete	940	$75K

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	48%	3,139	2,829	$223K
99284	Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity	36%	2,942	2,706	$166K
99283	Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity	16%	2,148	1,907	$72K
99291	Critical care, evaluation and management of the critically ill patient, first 30-74 minutes	<1%	12	12	$700.50
93042		<1%	160	110	$484.80
99282	Emergency department visit for the evaluation and management, low to moderate severity	<1%	14	14	$314.60

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.