NPPES file of Aug 9, 2026

Erin M. Utz, R.D.

Registered Dietitian · Chicago, IL

Erin M. Utz, R.D. is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1851625883, issued on Sep 23, 2009. Check the license (Illinois 164.004389, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1851625883
Name
Erin M. Utz
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
164.004389 IL
Self-reported in NPPES; status is on the state search
Practice location
259 E Erie St, Chicago, IL 60611
Phone
(312) 695-2300
Enumerated
Sep 23, 2009
Record last updated
Oct 31, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20091223000129); 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 259 E Erie St

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

  1. Adeola Adeoye, APNAcute Care Nurse Practitioner1598103459
  2. Ann Allie, M.D.Geriatric Medicine (Internal Medicine) Physician1619162955
  3. Kenneth Arbetter, MDInternal Medicine Physician1336132851
  4. Elizabeth Bailey, P.A.Physician Assistant1154670198
  5. Kent Bailey, M.D.Emergency Medicine Physician1821171844
  6. Lia Bernardi, M.D.Reproductive Endocrinology Physician1467784579

Verify Erin M. Utz 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 164.004389    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

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Erin M. Utz among 2,870 registered dietitian records in Illinois

Erin M. Utz, R.D. 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 not. Its NPI, issued in 2009, is newer than 19% of them.

  • NPI issued2009 · 19% of these records are older, 78% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2005 · median 2014 among the 269 with a school on file
  • Record last updated2016 · 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).

935 registered dietitian records list a practice address in Chicago

They are 935 of the 63,379 NPPES records with a practice address in Chicago, and 2,870 registered dietitian records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Janet Arenas, LDNChicago, IL 606111871709881
  2. Dawn Blatner, RDChicago, IL 606111528141363
  3. Catherine Claysen, M.S.R.D.L.D.Chicago, IL 606111912089392
  4. Catherine Diaz, MS, RDChicago, IL 606111205068343
  5. Bethany Doerfler, DIET NUTRITIONISTChicago, IL 606111801971049
  6. Holly Herrington, MS, RD, LDNChicago, IL 606111811130024
  7. Anne LeavellChicago, IL 606111104912427
  8. Laurie MaimonisChicago, IL 606111407942774

Common questions

What is Erin M. Utz, R.D.'s NPI number?

Erin M. Utz, R.D.'s National Provider Identifier (NPI) is 1851625883, issued on Sep 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Erin M. Utz, R.D. located?

The NPPES record lists a practice address at 259 E Erie St, Chicago, IL, 60611. Phone: (312) 695-2300. Providers update this record themselves, so call before visiting.

How can I verify Erin M. Utz, R.D.'s license?

NPPES lists Illinois license number 164.004389, 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. 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.