Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
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Erso Diagnostics LLC

Erso Diagnostics LLC was paid $10.56M by Medicaid between Apr 2022 and Dec 2024, across 1 billing code. 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 — 100% of everything it billed.

33Billing provider infoERSO DIAGNOSTICS LLC
TANEYTOWN, MD 21787
33aNPI1912662867assigned 11/05/2021
28Total paid$10.56M
24GClaims86,159
24DCodes billed1
24AFirst – last monthApr 2022 – Dec 2024
Compared with peers

Next to other Clinical Medical Laboratory providers in Maryland

Rank by total paid#5 of 93
Median peer was paid$430K
This provider vs. median25×

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 G0481 with only 1 total codes billed. Highly concentrated billing profile.
Box 24A · Dates of service

Paid by month

$0$250K$500K$750K2018201920202021202220232024
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
20226,661$827K
202329,217$3.63M
2024incomplete50,281$6.11M
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 100% 86,159 41,197 $10.56M

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 officialBLOCKSTON, RODNEY (AUTHORIZED REP)
Same official

Other billing entities under BLOCKSTON, RODNEY

Full network →
ProviderLocationPaid
Avalon Laboratory SolutionsOwings Mills, MD$7.06M

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