Zilberstein, Karen

Zilberstein, Karen was paid $63K by Medicaid between May 2018 and Apr 2023, across 4 billing codes. Its largest line is 90847, Family psychotherapy with the patient present, 50 minutes — 62% of everything it billed.

33Billing provider infoZILBERSTEIN, KAREN
NORTHAMPTON, MA 01060

33aNPI1265522403assigned 10/16/2006

33bProvider typeClinical Social Worker

28Total paid$63K

24GClaims745

24DCodes billed4

24AFirst – last monthMay 2018 – Apr 2023

Compared with peers

Next to other Clinical Social Worker providers in Massachusetts

Rank by total paid#188 of 541

Median peer was paid$29K

This provider vs. median2.2×

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	106	$9K
2019	83	$7K
2020	301	$24K
2021	201	$17K
2022	29	$3K
2023	25	$3K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
90847	Family psychotherapy with the patient present, 50 minutes	62%	481	214	$39K
90834	Psychotherapy session, about 45 minutesPsychotherapy, 45 minutes with patient	27%	197	74	$17K
90887		5.4%	42	24	$3K
90791	Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation	5.0%	25	13	$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.