Determan, Mary

Determan, Mary was paid $770K by Medicaid between Jan 2018 and Nov 2024, across 3 billing codes. Its largest line is 90837, psychotherapy session, about an hour — 51% of everything it billed.

33Billing provider infoDETERMAN, MARY
MILWAUKEE, WI 53219

33aNPI1003948522assigned 03/10/2007

33bProvider typeClinical Social Worker

28Total paid$770K

24GClaims18,092

24DCodes billed3

24AFirst – last monthJan 2018 – Nov 2024

Compared with peers

Next to other Clinical Social Worker providers in Wisconsin

Rank by total paid#4 of 184

Median peer was paid$12K

This provider vs. median65×

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	3,347	$129K
2019	3,311	$118K
2020	2,007	$69K
2021	2,194	$79K
2022	2,486	$116K
2023	2,842	$144K
2024incomplete	1,905	$115K

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	51%	4,264	1,921	$392K
90834	Psychotherapy session, about 45 minutesPsychotherapy, 45 minutes with patient	40%	6,530	2,880	$311K
90785		8.8%	7,298	3,147	$68K

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.