NPPES file of Aug 9, 2026

Matthew Stark, MS, RDN, LDN

Registered Dietitian · Sycamore, IL

Matthew Stark, MS, RDN, LDN is a registered dietitian with a practice address in Sycamore, Illinois, and NPI 1073347852, issued on Aug 26, 2024. Check the license (Illinois 164005802, 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
1073347852
Name
Matthew Stark
Credential
MS, RDN, LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
164005802 IL
Self-reported in NPPES; status is on the state search
Practice location
2700 Dekalb Ave, Sycamore, IL 60178
Phone
(815) 756-6174
Enumerated
Aug 26, 2024
Record last updated
Aug 26, 2024
Medicare enrollment
Enrolled (PECOS I20240918000701); accepts 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 2,870 in Illinois → Look up another NPI →

Also registered at 2700 Dekalb Ave

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

  1. Lisa Brandt, RD, LDNRegistered Dietitian1013354836

Verify Matthew Stark 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 164005802    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. HY-Vee Health PCMacomb, IL

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

Matthew Stark among 2,870 registered dietitian records in Illinois

Matthew Stark, MS, RDN, LDN 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 2024, is newer than 82% of them.

  • NPI issued2024 · 82% of these records are older, 11% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2010 · median 2014 among the 269 with a school on file
  • Record last updated2024 · 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).

Registered Dietitian providers in Illinois

There are 2,870 registered dietitian records in Illinois.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Lisa Brandt, RD, LDNSycamore, IL 601781013354836
  2. Kylie PlagakisSycamore, IL 601781467381012
  3. Jason Crum, RDNSouth Elgin, IL 601771366050098
  4. Laura Leciejewski, RDSouth Elgin, IL 601771215808332
  5. Margaret ConnorCampton Hills, IL 601751720488240
  6. Elizabeth Einstein, RD, LDSaint Charles, IL 601751356284137
  7. Laura Herrmann, RD, LDN, CDSt Charles, IL 601751962356584
  8. Christine Hunt, RDN, LDNSaint Charles, IL 601751093966681

Common questions

What is Matthew Stark, MS, RDN, LDN's NPI number?

Matthew Stark, MS, RDN, LDN's National Provider Identifier (NPI) is 1073347852, issued on Aug 26, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Stark, MS, RDN, LDN located?

The NPPES record lists a practice address at 2700 Dekalb Ave, Sycamore, IL, 60178. Phone: (815) 756-6174. Providers update this record themselves, so call before visiting.

How can I verify Matthew Stark, MS, RDN, LDN's license?

NPPES lists Illinois license number 164005802, 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.