Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marissa Danielle Leitma, LGPC
Professional Counselor in Olney, MD · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1508329657
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Registry record
Entity type Individual (Type 1)
Name Marissa Danielle Leitma
Credential LGPC
Sex Female
Practice address 17904 Georgia Ave, Olney, MD, 20832
Phone (240) 304-3327
Enumeration date Apr 7, 2019
Last updated in NPPES Apr 7, 2019
Taxonomy & licenses
101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License LGP9470 (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.
Frequently asked questions
Where does Marissa Leitma practice?
The practice location on file with NPPES is in Olney, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marissa Leitma?
The National Provider Identifier (NPI) for Marissa Leitma is 1508329657, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-04-07.