Kobak, William

Kobak, William was paid $159K by Medicaid between Jan 2018 and Nov 2024, across 8 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 54% of everything it billed.

33Billing provider infoKOBAK, WILLIAM
ST CHARLES, IL 60175

33aNPI1023007887assigned 10/14/2005

33bProvider typeObstetrics & Gynecology Physician

28Total paid$159K

24GClaims2,812

24DCodes billed8

24AFirst – last monthJan 2018 – Nov 2024

Compared with peers

Next to other Obstetrics & Gynecology Physician providers in Illinois

Rank by total paid#194 of 911

Median peer was paid$41K

This provider vs. median3.9×

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	486	$33K
2019	635	$59K
2020	235	$14K
2021	374	$12K
2022	481	$18K
2023	359	$14K
2024incomplete	242	$10K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	54%	1,572	1,440	$86K
99212	Office or other outpatient visit for the evaluation and management of an established patient, straightforward	22%	948	845	$34K
99204	Doctor's office visit, new patient (more involved)Office or other outpatient visit for the evaluation and management of a new patient, moderate complexity	20%	184	164	$32K
99214	Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity	1.9%	39	36	$3K
51729		1.5%	18	14	$2K
51797		<1%	17	13	$609.89
51784		<1%	16	14	$467.04
51741		<1%	18	14	$302.58

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.