NPPES file of Aug 9, 2026

Marissa Elaine Kelley, RD, CDCES, NBC-HWC

Registered Dietitian · Glen Ellyn, IL

Marissa Elaine Kelley, RD, CDCES, NBC-HWC is a registered dietitian with a practice address in Glen Ellyn, Illinois, and NPI 1942010178, issued on Jan 9, 2025. Check the license (Illinois 164.005904, as entered in NPPES) with the Illinois 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
1942010178
Name
Marissa Elaine Kelley
Credential
RD, CDCES, NBC-HWC
Primary taxonomy
Registered Dietitian 133V00000X
License number
164.005904 IL
Self-reported in NPPES; status is on the state search
Practice location
23W308 Westchester CT, Glen Ellyn, IL 60137
Phone
(617) 833-3783
Enumerated
Jan 9, 2025
Record last updated
Jan 9, 2025
Medicare enrollment
Enrolled (PECOS I20260312000984); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 2,870 in Illinois → Look up another NPI →

Verify Marissa Elaine Kelley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 164.005904    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 Illinois 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. Medical Dietitians LLCSt Pete Beach, FL

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

Marissa Elaine Kelley among 2,870 registered dietitian records in Illinois

Marissa Elaine Kelley, RD, CDCES, NBC-HWC is one of 2,870 registered dietitian records with a practice address in Illinois. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 89% of them.

  • NPI issued2025 · 89% of these records are older, 4% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated1999 · median 2014 among the 269 with a school on file
  • Record last updated2025 · 59% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 registered dietitian records list a practice address in Glen Ellyn

They are 16 of the 684 NPPES records with a practice address in Glen Ellyn, and 2,870 registered dietitian records in Illinois.

All 2,870 in Illinois → Every provider in Glen Ellyn → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Claire Biga, MS, RDN, LDN, CLCGlen Ellyn, IL 601371992567184
  2. Lois Collins, R.D.Glen Ellyn, IL 601371922030535
  3. Lu Ann Dwyer Seibert, RN, CDEGlen Ellyn, IL 601371497034268
  4. Kelsey EstryGlen Ellyn, IL 601371972011229
  5. Allison GileGlen Ellyn, IL 601371396562054
  6. Catherine Gonzalez, M.S., R.D., L.D.N.,Glen Ellyn, IL 601371619278736
  7. Catherine Leman, MA, RD, LDGlen Ellyn, IL 601371871847111
  8. Becky Majernik, RDGlen Ellyn, IL 601371538187372

Common questions

What is Marissa Elaine Kelley, RD, CDCES, NBC-HWC's NPI number?

Marissa Elaine Kelley, RD, CDCES, NBC-HWC's National Provider Identifier (NPI) is 1942010178, issued on Jan 9, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Elaine Kelley, RD, CDCES, NBC-HWC located?

The NPPES record lists a practice address at 23W308 Westchester CT, Glen Ellyn, IL, 60137. Phone: (617) 833-3783. Providers update this record themselves, so call before visiting.

How can I verify Marissa Elaine Kelley, RD, CDCES, NBC-HWC's license?

NPPES lists Illinois license number 164.005904, as entered by the provider. Search the Illinois 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.