Serna, Sonya

Serna, Sonya was paid $514K by Medicaid between Jan 2018 and Oct 2024, across 3 billing codes. Its largest line is 90837, psychotherapy session, about an hour — 96% of everything it billed.

33Billing provider infoSERNA, SONYA
STOCKTON, CA 95203

33aNPI1952566515assigned 07/23/2008

33bProvider typeProfessional Counselor

28Total paid$514K

24GClaims5,217

24DCodes billed3

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Professional Counselor providers in California

Rank by total paid#15 of 55

Median peer was paid$135K

This provider vs. median3.8×

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	530	$62K
2019	598	$71K
2020	1,221	$124K
2021	951	$83K
2022	785	$66K
2023	717	$61K
2024incomplete	415	$48K

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	96%	4,926	2,595	$495K
90832	Psychotherapy session, about 30 minutesPsychotherapy, 30 minutes with patient	2.8%	256	190	$15K
90791	Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation	1.0%	35	34	$5K

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.