Timmermann, Derek

Timmermann, Derek was paid $230K by Medicaid between Jan 2018 and Nov 2024, across 3 billing codes. Its largest line is 99285, emergency room visit (most serious) — 84% of everything it billed.

33Billing provider infoTIMMERMANN, DEREK
ROCKFORD, IL 61108

33aNPI1649213141assigned 06/13/2006

33bProvider typeEmergency Medicine Physician

28Total paid$230K

24GClaims3,336

24DCodes billed3

24AFirst – last monthJan 2018 – Nov 2024

Compared with peers

Next to other Emergency Medicine Physician providers in Illinois

Rank by total paid#675 of 1,980

Median peer was paid$150K

This provider vs. median1.5×

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	535	$21K
2019	600	$24K
2020	453	$27K
2021	356	$29K
2022	381	$32K
2023	599	$53K
2024incomplete	412	$43K

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	84%	2,549	2,337	$192K
99284	Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity	14%	608	565	$33K
99283	Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity	2.2%	179	155	$5K

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.