Williams, Oliver

Williams, Oliver was paid $72K by Medicaid between Sep 2019 and Apr 2022, across 4 billing codes. Its largest line is 90837, psychotherapy session, about an hour — 81% of everything it billed.

33Billing provider infoWILLIAMS, OLIVER
ORLAND PARK, IL 60462

33aNPI1861779795assigned 11/06/2011

33bProvider typeClinical Social Worker

28Total paid$72K

24GClaims1,621

24DCodes billed4

24AFirst – last monthSep 2019 – Apr 2022

Compared with peers

Next to other Clinical Social Worker providers in Illinois

Rank by total paid#215 of 703

Median peer was paid$25K

This provider vs. median2.9×

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
2019	740	$3K
2020	248	$7K
2021	467	$46K
2022	166	$16K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
90837	Psychotherapy session, about an hourPsychotherapy, 53 minutes with patient	81%	567	168	$58K
90834	Psychotherapy session, about 45 minutesPsychotherapy, 45 minutes with patient	10%	214	105	$7K
90832	Psychotherapy session, about 30 minutesPsychotherapy, 30 minutes with patient	4.7%	183	105	$3K
90853	Group psychotherapy (other than of a multiple-family group)	3.9%	657	152	$3K

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.