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

Margaret Hartzell McMillan

Individual provider Clinical Social Worker · NPI 1134637036

Margaret Hartzell McMillan is a Clinical Social Worker in Catonsville, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2018

Practice location Address checks out

426 Westshire Dr
Catonsville, MD 21228-3207
Phone: (410) 733-3955
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 07504 (MD)

Record details

NPI number1134637036
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJanuary 14, 2018
Last updated in NPPESJanuary 14, 2018

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