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

Mrs. Marni Riffkin, MSW

Individual provider Clinical Social Worker · NPI 1356931604

Mrs. Marni Riffkin, MSW is a Clinical Social Worker in Potomac, Maryland. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2021
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

12103 Little Creek Dr
Potomac, MD 20854-3431
Phone: (240) 305-3208
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC50080628 (DC)

Record details

NPI number1356931604
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJanuary 21, 2021
Last updated in NPPESJanuary 21, 2021
Certification dateJanuary 21, 2021

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