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

Joyce Marie Merkel, RD

Individual provider Registered Dietitian · NPI 1114720521

Joyce Marie Merkel, RD is a Registered Dietitian in Billerica, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

49 Wyman Rd
Billerica, MA 01821-3729
Phone: (301) 204-9105
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1114720521
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedMarch 31, 2025
Last updated in NPPESMarch 31, 2025
Certification dateMarch 31, 2025
Mailing address49 Wyman Rd, Billerica, MA 01821-3729