Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
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Agency

Cornerstone Montgomery, INC.

Cornerstone Montgomery, INC. was paid $479K by Medicaid between Jul 2023 and Oct 2024, across 1 billing code. Its largest line is H0044, Supported housing, per month — 100% of everything it billed.

33Billing provider infoCORNERSTONE MONTGOMERY, INC.
LEONARDTOWN, MD 20650
33aNPI1578272126assigned 11/22/2022
28Total paid$479K
24GClaims533
24DCodes billed1
24AFirst – last monthJul 2023 – Oct 2024
Compared with peers

Next to other Community/Behavioral Health Agency providers in Maryland

Rank by total paid#474 of 794
Median peer was paid$786K
This provider vs. median0.6×

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.

Entity ProliferationAuthorized official OSTROWSKI, MICHAEL controls 11+ related entities in our dataset. Read more
Box 24A · Dates of service

Paid by month

$0$20K$40K2018201920202021202220232024
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
2023206$171K
2024incomplete327$308K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
H0044 Supported housing, per month 100% 533 533 $479K

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 officialOSTROWSKI, MICHAEL (BILLING MANAGER)
Same official

Other billing entities under OSTROWSKI, MICHAEL

Full network →
ProviderLocationPaid
Cornerstone Montgomery, INC.Bethesda, MD$4.21M
Cornerstone Montgomery, INC.Prince Frederick, MD$1.45M
Cornerstone Montgomery, INC.Bethesda, MD$1.36M
Cornerstone Montgomery, INC.Leonardtown, MD$573K
Cornerstone Montgomery, INC.Prince Frederick, MD$568K
Cornerstone Montgomery, INC.Waldorf, MD$465K
Cornerstone Montgomery, INC.Hughesville, MD$386K
Cornerstone Montgomery, INC.Waldorf, MD$376K
Cornerstone Montgomery, INC.Rockville, MD$244.70
Cornerstone Montgomery, INC.Silver Spring, MD$0.00
Cornerstone Montgomery, INC.Bethesda, MD$0.00

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