Mazer, Andrew

Mazer, Andrew was paid $388K by Medicaid between Jan 2018 and Oct 2024, across 1 billing code. Its largest line is 90837, psychotherapy session, about an hour — 100% of everything it billed.

33Billing provider infoMAZER, ANDREW
GRASS VALLEY, CA 95945

33aNPI1013074137assigned 01/02/2007

33bProvider typeMarriage & Family Therapist

28Total paid$388K

24GClaims4,305

24DCodes billed1

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Marriage & Family Therapist providers in California

Rank by total paid#252 of 1,717

Median peer was paid$66K

This provider vs. median5.9×

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	602	$59K
2019	693	$65K
2020	812	$76K
2021	607	$41K
2022	735	$56K
2023	625	$60K
2024incomplete	231	$30K

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	100%	4,305	1,607	$388K

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.