Kristen Fitzsimmons, MS, RD, LDN, CDCES - Medicare Dietitian in Worcester, MA

Kristen Fitzsimmons, MS, RD, LDN, CDCES is a medicare enrolled "Dietitian, Registered" provider in Worcester, Massachusetts. She graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Registered Dietitian Or Nutrition Professional. She is a member of the group practice Saint Vincent Physician Services Inc and her current practice location is 123 Summer St Ste 535, Worcester, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 363-5189.

Kristen Fitzsimmons is licensed to practice in Massachusetts (license number 4329) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1538669585.

Contact Information

Kristen Fitzsimmons, MS, RD, LDN, CDCES
123 Summer St Ste 535,
Worcester, MA 01608-1216
(508) 363-5189
(508) 363-7188

Map and Direction




Healthcare Provider's Profile

Full NameKristen Fitzsimmons
GenderFemale
SpecialityRegistered Dietitian Or Nutrition Professional
Experience10 Years
Location123 Summer St Ste 535, Worcester, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Kristen Fitzsimmons graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1538669585
  • Provider Enumeration Date: 02/16/2018
  • Last Update Date: 01/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2163820028
  • Enrollment ID: I20211006002074

Medical Identifiers

Medical identifiers for Kristen Fitzsimmons such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538669585NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133VN1004XDietitian, Registered - Nutrition, Pediatric LDN00941 (Rhode Island)Secondary
133V00000XDietitian, Registered 4329 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Saint Vincent Physician Services Inc892105627670

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Kristen Fitzsimmons allows following entities to bill medicare on her behalf.
Provider NameSaint Vincent Physician Services Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1013997329
PECOS PAC ID: 8921056276
Enrollment ID: O20050104000566

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Kristen Fitzsimmons is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Kristen Fitzsimmons, MS, RD, LDN, CDCES
123 Summer St Ste 535,
Worcester, MA 01608-1216

Ph: (508) 363-5189
Kristen Fitzsimmons, MS, RD, LDN, CDCES
123 Summer St Ste 535,
Worcester, MA 01608-1216

Ph: (508) 363-5189

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.