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

Lauren Mason Massie, RDN, LD, CLC

Individual provider Registered Dietitian · NPI 1497641617

Lauren Mason Massie, RDN, LD, CLC is a Registered Dietitian in San Francisco, California. Licensed in Ohio. Registered with an NPI since 2025.

Licensed in
OH
In the registry since
2025
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

425 California St Ste 1400
San Francisco, CA 94104-2116
Phone: (212) 589-2700
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

Registered Dietitian (primary) Taxonomy 133V00000X · Licence LD.08798 (OH)

Record details

NPI number1497641617
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN , LD , CLC
Sole proprietorNo
NPI enumeratedJune 16, 2025
Last updated in NPPESJune 16, 2025
Certification dateJune 15, 2025

Other providers in San Francisco