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

MS. Peggy Dienes, MSW

Individual provider Clinical Social Worker · NPI 1336288208

MS. Peggy Dienes, MSW is a Clinical Social Worker in Gaithersburg, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
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

16220 S Frederick Ave Ste 502
Gaithersburg, MD 20877-4039
Phone: (301) 978-9750
Fax: (301) 978-9753
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 10763 (MD)

Record details

NPI number1336288208
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedFebruary 6, 2007
Last updated in NPPESJuly 8, 2007

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