O'reilly, Nellie

O'reilly, Nellie was paid $339K by Medicaid between Jan 2019 and Dec 2024, across 2 billing codes. Its largest line is 90837, psychotherapy session, about an hour — 99% of everything it billed.

33Billing provider infoO'REILLY, NELLIE
LAKESIDE, MT 59922

33aNPI1497773980assigned 07/17/2006

33bProvider typeClinical Social Worker

28Total paid$339K

24GClaims4,502

24DCodes billed2

24AFirst – last monthJan 2019 – Dec 2024

Compared with peers

Next to other Clinical Social Worker providers in Montana

Rank by total paid#24 of 347

Median peer was paid$54K

This provider vs. median6.3×

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	815	$50K
2020	680	$57K
2021	704	$66K
2022	577	$54K
2023	882	$63K
2024incomplete	844	$50K

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	99%	4,155	1,492	$336K
90785		<1%	347	141	$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.