Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Kristen Fitzsimmons, MS, RD, LDN, CDCES

Individual provider Registered Dietitian · NPI 1538669585

Kristen Fitzsimmons, MS, RD, LDN, CDCES is a Registered Dietitian OR Nutrition Professional in Worcester, Massachusetts. Qualified in 2014, 12 years ago. Practices with Saint Vincent Physician Services Inc, a 72-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
12
Licensed in
MA
In the registry since
2018
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

403 Belmont St
Worcester, MA 01604-1019
Phone: (508) 856-0104
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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 4329 (MA)

Record details

NPI number1538669585
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , LDN , CDCES
Sole proprietorNo
NPI enumeratedFebruary 16, 2018
Last updated in NPPESJuly 6, 2026
Certification dateJuly 6, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Saint Vincent Physician Services Inc — 72 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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