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

Mr. Evan Thomas Marks, MSW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1528359890

Mr. Evan Thomas Marks, MSW is an Addiction (Substance Use Disorder) Counselor in Bethesda, Maryland. Practices as a sole proprietor. Licensed in District of Columbia and Maryland.

Licensed in
DC, MD
In the registry since
2011
Specialties on file
3
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

4405 E West Hwy
Bethesda, MD 20814-4522
Phone: (240) 547-7497
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 13987 (MD)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence AD1488 (MD)
Clinical Social Worker Taxonomy 1041C0700X · Licence LC50079126 (DC)

Record details

NPI number1528359890
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedApril 21, 2011
Last updated in NPPESJune 8, 2011

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