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

Heather Stone Diehl, MSW, LMSW

Individual provider Mental Health Counselor · NPI 1558074294

Heather Stone Diehl, MSW, LMSW is a Mental Health Counselor in Elkton, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2022
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

136 W Main St
Elkton, MD 21921-5541
Phone: (410) 996-4878
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 24735 (MD)
Mental Health Counselor Taxonomy 101YM0800X · Licence 24735 (MD)

Record details

NPI number1558074294
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LMSW
Sole proprietorYes
NPI enumeratedDecember 27, 2022
Last updated in NPPESMay 24, 2023
Certification dateMay 24, 2023

Other providers in Elkton