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Mr. Mark Heithaus, LCSW-C

Clinical Social Worker in Fort George G Meade, MD · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1134409444

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Registry record

Entity type Individual (Type 1)
Name Mr. Mark Heithaus
Credential LCSW-C
Sex Male
Practice address 2480 Llewellyn Ave, Fort George G Meade, MD, 20755
Phone (301) 677-8895
Enumeration date Aug 18, 2011
Last updated in NPPES Oct 24, 2023

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License P81553 (NY) Secondary
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 23603 (MD) Secondary
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 26303 (MD) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Mark Heithaus?
The National Provider Identifier (NPI) for Mark Heithaus is 1134409444, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Heithaus practice?
The practice location on file with NPPES is in Fort George G Meade, MD. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-24.