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

Ryan Robert Maciel, RDN

Individual provider Registered Dietitian · NPI 1366944001

Ryan Robert Maciel, RDN is a Registered Dietitian in Cambridge, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2018.

Licensed in
MA
In the registry since
2018
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

91 Sidney St
Cambridge, MA 02139-4277
Phone: (857) 242-3633
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 4383 (MA)

Record details

NPI number1366944001
Entity typeIndividual (Type 1)
GenderMale
Credentials RDN
Sole proprietorNo
NPI enumeratedMarch 7, 2018
Last updated in NPPESMarch 15, 2018
Mailing address112 Sherman Rd, Chestnut Hill, MA 02467-3179

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