Maas, Holly

Maas, Holly was paid $49K by Medicaid between Jul 2019 and Jul 2024, across 2 billing codes. Its largest line is 99510, — 96% of everything it billed.

33Billing provider infoMAAS, HOLLY
IOWA CITY, IA 52242

33aNPI1033159660assigned 06/08/2006

33bProvider typeSocial Worker

28Total paid$49K

24GClaims331

24DCodes billed2

24AFirst – last monthJul 2019 – Jul 2024

Compared with peers

Next to other Social Worker providers in Iowa

Rank by total paid#42 of 83

Median peer was paid$49K

This provider vs. median1.0×

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	12	$2K
2020	30	$5K
2021	209	$30K
2022	53	$9K
2024incomplete	27	$4K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99510		96%	317	296	$47K
90791	Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation	4.2%	14	13	$2K

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.