NPPES file of Aug 9, 2026

Sienna Catherine Caron, MS, RD, LDN

Registered Dietitian · West Springfield, MA

Sienna Catherine Caron, MS, RD, LDN is a registered dietitian with a practice address in West Springfield, Massachusetts, and NPI 1780388025, issued on Mar 29, 2023. Check the license (Massachusetts 86254054, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780388025
Name
Sienna Catherine Caron
Credential
MS, RD, LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
86254054 MA
Self-reported in NPPES; status is on the state search
Practice location
112 Westfield St Ste C, West Springfield, MA 01089
Phone
(413) 786-2957
Enumerated
Mar 29, 2023
Record last updated
Feb 17, 2026
Medicare enrollment
Enrolled (PECOS I20230511000461); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 2,244 in Massachusetts → Look up another NPI →

Also registered at 112 Westfield St Ste C

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Corinne Epstein, RDN, LDNRegistered Dietitian1942023304
  2. Nicole Frank-Maslar, RDN, LDNRegistered Dietitian1538339957
  3. Sandra Lemanski, RDRegistered Dietitian1154425726

Verify Sienna Catherine Caron in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 86254054    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Pyramid Nutrition Services, IncWestfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sienna Catherine Caron among 2,244 registered dietitian records in Massachusetts

Sienna Catherine Caron, MS, RD, LDN is one of 2,244 registered dietitian records with a practice address in Massachusetts. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 79% of them.

  • NPI issued2023 · 79% of these records are older, 17% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2022 · median 2011 among the 202 with a school on file
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Massachusetts

There are 2,244 registered dietitian records in Massachusetts.

All 2,244 in Massachusetts → Every provider in West Springfield → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Corinne Epstein, RDN, LDNWest Springfield, MA 010891942023304
  2. Nicole Frank-Maslar, RDN, LDNWest Springfield, MA 010891538339957
  3. Sandra Lemanski, RDWest Springfield, MA 010891154425726
  4. Emilia LongeyWest Springfield, MA 010891437009701
  5. Gabriella Schreiber, RDN, LDNWest Springfield, MA 010891144189531
  6. Lisa Cannon, RD, LDNWestfield, MA 010851629249255
  7. Amber Cross, RDWestfield, MA 010851861369340
  8. Laura Estan, R.D.Westfield, MA 010851477722494

Common questions

What is Sienna Catherine Caron, MS, RD, LDN's NPI number?

Sienna Catherine Caron, MS, RD, LDN's National Provider Identifier (NPI) is 1780388025, issued on Mar 29, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sienna Catherine Caron, MS, RD, LDN located?

The NPPES record lists a practice address at 112 Westfield St Ste C, West Springfield, MA, 01089. Phone: (413) 786-2957. Providers update this record themselves, so call before visiting.

How can I verify Sienna Catherine Caron, MS, RD, LDN's license?

NPPES lists Massachusetts license number 86254054, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.