Callia Zimmerman Licsw Ladc LLC

Callia Zimmerman Licsw Ladc LLC was paid $499K by Medicaid between Feb 2020 and Oct 2023, across 3 billing codes. Its largest line is 90837, psychotherapy session, about an hour — 94% of everything it billed.

33Billing provider infoCALLIA ZIMMERMAN LICSW LADC LLC
SOUTH BURLINGTON, VT 05403

33aNPI1285285650assigned 09/26/2019

33bProvider typeClinical Social Worker

28Total paid$499K

24GClaims16,933

24DCodes billed3

24AFirst – last monthFeb 2020 – Oct 2023

Compared with peers

Next to other Clinical Social Worker providers in Vermont

Rank by total paid#11 of 150

Median peer was paid$45K

This provider vs. median11×

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
2020	1,631	$100K
2021	11,972	$138K
2022	1,906	$150K
2023	1,424	$111K

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	94%	16,431	2,274	$468K
90834	Psychotherapy session, about 45 minutesPsychotherapy, 45 minutes with patient	3.9%	367	292	$20K
90791	Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation	2.2%	135	103	$11K

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.

From NPPES

Who's on the registration

Authorized officialZIMMERMAN, CALLIA (OWNER)