Rubenzahl, Knudsen & Associates Psych., SRVCS, P.C.

Rubenzahl, Knudsen & Associates Psych., SRVCS, P.C. was paid $834K by Medicaid between Jan 2018 and Dec 2024, across 4 billing codes. Its largest line is 90837, psychotherapy session, about an hour — 48% of everything it billed.

33Billing provider infoRUBENZAHL, KNUDSEN & ASSOCIATES PSYCH., SRVCS, P.C.
WATERTOWN, NY 13601

33aNPI1578552170assigned 10/17/2005

33bProvider typePsychologist

28Total paid$834K

24GClaims12,360

24DCodes billed4

24AFirst – last monthJan 2018 – Dec 2024

Compared with peers

Next to other Psychologist providers in New York

Rank by total paid#26 of 255

Median peer was paid$39K

This provider vs. median21×

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	152	$12K
2019	945	$54K
2020	1,064	$62K
2021	1,697	$108K
2022	2,920	$192K
2023	2,636	$186K
2024incomplete	2,946	$221K

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	48%	5,028	2,693	$405K
90834	Psychotherapy session, about 45 minutesPsychotherapy, 45 minutes with patient	39%	4,843	3,145	$329K
90832	Psychotherapy session, about 30 minutesPsychotherapy, 30 minutes with patient	11%	2,413	1,582	$93K
90791	Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation	<1%	76	76	$7K

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 officialKNUDSEN, THOMAS (OWNER)