NPPES file of Aug 9, 2026

Holly Rebecca Herrington, MS, RD, LDN

Registered Dietitian · Chicago, IL

Holly Rebecca Herrington, MS, RD, LDN is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1811130024, issued on Apr 17, 2009. Check the license (Illinois 164004984, 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811130024
Name
Holly Rebecca Herrington
Credential
MS, RD, LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
164004984 IL
Self-reported in NPPES; status is on the state search
Practice location
675 N Saint Clair St, Chicago, IL 60611
Phone
(312) 926-3624
Enumerated
Apr 17, 2009
Record last updated
Jul 28, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(312) 926-3624
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 675 N Saint Clair St

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

  1. Abdul Aadam, M.D.Gastroenterology Physician1013038744
  2. Ronald Ackermann, MDInternal Medicine Physician1629029210
  3. Kehinde Adekola, MDHematology & Oncology Physician1306026117
  4. Sonya Agnew, M.D.Plastic Surgery Physician1962640250
  5. Mohammed Alghoul, M.D.Plastic Surgery Physician1932376746
  6. Sharon Allen, APRNAdult Health Nurse Practitioner1003849993

Verify Holly Rebecca Herrington 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 164004984
    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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The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Holly Rebecca Herrington among 2,870 registered dietitian records in Illinois

Holly Rebecca Herrington, MS, RD, 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 2009, is newer than 19% of them.

  • NPI issued2009 · 19% of these records are older, 78% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2015 · 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.

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. Anne LeavellChicago, IL 606111104912427
  7. Laurie MaimonisChicago, IL 606111407942774
  8. Amy Margulies, R.D,, C.D.E,, L,D.N.Chicago, IL 606111225082290

Common questions

What is Holly Rebecca Herrington, MS, RD, LDN's NPI number?

Holly Rebecca Herrington, MS, RD, LDN's National Provider Identifier (NPI) is 1811130024, issued on Apr 17, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Holly Rebecca Herrington, MS, RD, LDN located?

The NPPES record lists a practice address at 675 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 926-3624. Providers update this record themselves, so call before visiting.

How can I verify Holly Rebecca Herrington, MS, RD, LDN's license?

NPPES lists Illinois license number 164004984, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

What is Holly Rebecca Herrington, MS, RD, LDN's MIPS final score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.