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

Cornerstone Montgomery, INC.

Cornerstone Montgomery, INC. was paid $568K by Medicaid between Jun 2023 and Nov 2024, across 2 billing codes. Its largest line is T1016, Case management, each 15 minutes — 96% of everything it billed.

33Billing provider infoCORNERSTONE MONTGOMERY, INC.
PRINCE FREDERICK, MD 20678
33aNPI1659073963assigned 03/20/2023
33bProvider typeCase Management Agency
28Total paid$568K
24GClaims3,459
24DCodes billed2
24AFirst – last monthJun 2023 – Nov 2024
Compared with peers

Next to other Case Management Agency providers in Maryland

Rank by total paid#43 of 84
Median peer was paid$568K
This provider vs. median1.0×

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$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
20231,219$188K
2024incomplete2,240$380K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
T1016 Case management, each 15 minutes 96% 3,330 1,308 $547K
H0031 Mental health assessment, by non-physician 3.8% 129 129 $22K

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.Leonardtown, MD$479K
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.