County of San Mateo

County of San Mateo was paid $22.14M by Medicaid between Jan 2018 and Oct 2024, across 1 billing code. Its largest line is S9484, Crisis intervention mental health services, per hour — 100% of everything it billed.

33Billing provider infoCOUNTY OF SAN MATEO
SAN MATEO, CA 94403

33aNPI1740684935assigned 10/16/2014

33bProvider typePsychiatric Hospital Unit

28Total paid$22.14M

24GClaims11,263

24DCodes billed1

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Psychiatric Hospital Unit providers in California

Rank by total paid#5 of 33

Median peer was paid$361K

This provider vs. median61×

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.

Auditor's notes

Automated statistical signals. Not evidence of fraud — how these are computed.

Single-Code Concentration100% of spending on code S9484 with only 1 total codes billed. Highly concentrated billing profile.

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	1,997	$2.56M
2019	2,079	$2.79M
2020	1,899	$3.14M
2021	1,874	$3.82M
2022	1,716	$5.04M
2023	1,089	$3.55M
2024incomplete	609	$1.24M

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
S9484	Crisis intervention mental health services, per hour	100%	11,263	9,645	$22.14M

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 officialGILMAN, SCOTT (EXECUTIVE DIRECTOR)

Parent organizationSAN MATEO MEDICAL CENTER

Same official

Other billing entities under GILMAN, SCOTT

Full network →

Provider	Location	Paid
City of Lakewood	Lakewood, OH	$1.01M

Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.