Cornerstone Montgomery, INC.

Cornerstone Montgomery, INC. was paid $0.00 by Medicaid between Dec 2019 and May 2020, across 2 billing codes. Its largest line is S9445, Patient education, not otherwise classified, non-physician provider, individual, per session — 0% of everything it billed.

33Billing provider infoCORNERSTONE MONTGOMERY, INC.
SILVER SPRING, MD 20902

33aNPI1184262560assigned 12/16/2019

33bProvider typeCommunity/Behavioral Health Agency

28Total paid$0.00

24GClaims2,101

24DCodes billed2

24AFirst – last monthDec 2019 – May 2020

Compared with peers

Next to other Community/Behavioral Health Agency providers in Maryland

Rank by total paid#782 of 794

Median peer was paid$786K

This provider vs. median0.0×

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

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
2019	522	$0.00
2020	1,579	$0.00

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
S9445	Patient education, not otherwise classified, non-physician provider, individual, per session	0%	453	452	$0.00
H0037	Community psychiatric supportive treatment program, per diem	0%	1,648	1,409	$0.00

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 SUPERVISOR)

Parent organizationCORNERSTONE MONTGOMERY, INC.

Same official

Other billing entities under OSTROWSKI, MICHAEL

Full network →

Provider	Location	Paid
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.	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.	Bethesda, MD	$0.00

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