Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Cornerstone Montgomery, Inc

Organization Community/Behavioral Health Agency · NPI 1699484394

Cornerstone Montgomery, Inc is a Community/Behavioral Health Agency in Prince Frederick, Maryland. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

305 Prince Frederick Blvd
Prince Frederick, MD 20678-3139
Phone: (410) 535-4787
Fax: (410) 535-4965
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Community/Behavioral Health Agency (primary) Taxonomy 251S00000X

Record details

NPI number1699484394
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationCornerstone Montgomery, Inc
Authorized official Michael Ostrowski — Billing Manager · (301) 493-4200
NPI enumeratedNovember 21, 2022
Last updated in NPPESNovember 21, 2022
Certification dateNovember 21, 2022
Mailing address2 Taft Ct Ste 200, Rockville, MD 20850-1390

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