Stoll, Karin

Stoll, Karin was paid $1.15M by Medicaid between Jan 2018 and Dec 2024, across 1 billing code. Its largest line is 90837, psychotherapy session, about an hour — 100% of everything it billed.

33Billing provider infoSTOLL, KARIN
LIHUE, HI 96766

33aNPI1407843147assigned 09/27/2005

33bProvider typeMental Health Counselor

28Total paid$1.15M

24GClaims14,008

24DCodes billed1

24AFirst – last monthJan 2018 – Dec 2024

Compared with peers

Next to other Mental Health Counselor providers in Hawaii

Rank by total paid#2 of 79

Median peer was paid$40K

This provider vs. median29×

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.

Auditor's notes

Automated statistical signals. Not evidence of fraud — how these are computed.

Single-Code Concentration100% of spending on code 90837 with only 1 total codes billed. Highly concentrated billing profile.

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	2,193	$187K
2019	2,061	$163K
2020	1,615	$119K
2021	2,175	$167K
2022	2,367	$190K
2023	2,046	$166K
2024incomplete	1,551	$161K

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	100%	14,008	5,034	$1.15M

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.