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

Mary Louise Stone, MS, RD, LD

Individual provider Registered Dietitian · NPI 1740279421

Mary Louise Stone, MS, RD, LD is a Registered Dietitian in Frederick, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

350 Montevue Ln
Frederick, MD 21702-8214
Phone: (301) 694-1029
Fax: (301) 631-3111
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence D00659 (MD)

Record details

NPI number1740279421
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , LD
Sole proprietorNo
NPI enumeratedOctober 17, 2005
Last updated in NPPESJuly 13, 2026

Other providers in Frederick