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

MS. Marilyn Monroe Gammarino, RD, LD, CDE

Individual provider Metabolic Nutrition Registered Dietitian · NPI 1295850550

MS. Marilyn Monroe Gammarino, RD, LD, CDE is a Metabolic Nutrition Registered Dietitian in Gaithersburg, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

See every abbreviation used in this directory →

Practice location Address checks out

3 Hidden Ponds Ct
Gaithersburg, MD 20878-2213
Phone: (301) 978-9773
Fax: (301) 978-9773
Show map & directions

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

Specialties & licences

Metabolic Nutrition Registered Dietitian (primary) Taxonomy 133VN1006X · Licence D00131 (MD)

Record details

NPI number1295850550
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LD , CDE
Sole proprietorYes
NPI enumeratedMarch 19, 2007
Last updated in NPPESJuly 8, 2007