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

Joseph Marnell, Mdpa

Organization Mental Health Counselor · NPI 1669427662

Joseph Marnell, Mdpa is a Mental Health Counselor in Greenbelt, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006

Practice location Address checks out

7474 Greenway Center Dr Ste 730
Greenbelt, MD 20770-3504
Phone: (301) 982-3437
Fax: (301) 982-9452
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence D0028213 (MD)

Record details

NPI number1669427662
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Marnell — Director/Owner · (301) 982-3437
NPI enumeratedMay 24, 2006
Last updated in NPPESJuly 29, 2008
Mailing address7474 Greenway Center Dr, Suite 730, Greenbelt, MD 20770-3504

Other providers in Greenbelt