Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
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Histopathology Services INC

Histopathology Services INC was paid $968K by Medicaid between Jan 2018 and Nov 2024, across 6 billing codes. Its largest line is G0481, Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 8-14 drug class(es), including metabolite(s) if performed — 40% of everything it billed.

33Billing provider infoHISTOPATHOLOGY SERVICES INC
TUSTIN, CA 92780
33aNPI1699085290assigned 10/15/2010
28Total paid$968K
24GClaims21,440
24DCodes billed6
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers

Next to other Clinical Medical Laboratory providers in California

Rank by total paid#187 of 561
Median peer was paid$222K
This provider vs. median4.4×

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

$0$20K$40K$60K2018201920202021202220232024
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
YearClaimsPaid
2018195$961.73
2019788$6K
20201,643$40K
20211,224$34K
20223,440$141K
20238,379$419K
2024incomplete5,771$327K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
G0481 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 8-14 drug class(es), including metabolite(s) if performed 40% 4,720 4,630 $384K
80307 Drug test(s), presumptive, any number of drug classes; immunoassay 34% 7,600 7,377 $332K
G0480 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 1-7 drug class(es), including metabolite(s) if performed 14% 2,482 2,434 $138K
88305 Level IV - Surgical pathology, gross and microscopic examination 9.3% 2,919 2,900 $90K
88312 2.1% 2,070 2,067 $21K
88311 <1% 1,649 1,647 $4K

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 officialMEHRAEIN, KHODADAD (PRESIDENT/CEO)