Elizabeth Ann O'Malley, RD, LDN
Registered Dietitian · Westmont, IL
Elizabeth Ann O'Malley, RD, LDN is a registered dietitian with a practice address in Westmont, Illinois, and NPI 1740586924, issued on Feb 4, 2011. Check the license (Illinois 164003575, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Ann O'Malley
- Credential
- RD, LDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 164003575 IL
Self-reported in NPPES; status is on the state search - Practice location
- 460 Quail Ridge Dr, Westmont, IL 60559
- Phone
- (630) 986-2800
- Enumerated
- Feb 4, 2011
- Record last updated
- Apr 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 986-2440
- Medicare enrollment
- Enrolled (PECOS I20170802000816); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 2,870 in Illinois → Look up another NPI →
Also registered at 460 Quail Ridge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Auriemma, M.D., J.D.Family Medicine Physician1578507562
- Paula Barnes, M.D.Family Medicine Physician1194068700
- Karlijn Burridge, PAPhysician Assistant1750611646
- Samantha Marek, R.D.Registered Dietitian1902157191
- Courtney Southwood, MS, RDN, LDNRegistered Dietitian1205357282
- Jessica Vogt, FNPFamily Nurse Practitioner1780159996
Verify Elizabeth Ann O'Malley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 164003575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 88.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Seen Medical Group OF IL PCSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Ann O'Malley among 2,870 registered dietitian records in Illinois
Elizabeth Ann O'Malley, 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 2011, is newer than 25% of them.
- NPI issued2011 · 25% of these records are older, 72% 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 updated2021 · 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 Westmont → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Hayley BingenWestmont, IL 605591730799396
- Casey Harms, RD,LDNWestmont, IL 605591780106542
- Samantha Marek, R.D.Westmont, IL 605591902157191
- Jonathan Reynoso, RDN, LDN, CSCSWestmont, IL 605591689490237
- Katie Schmidt, RD, LDNWestmont, IL 605591164039384
- Courtney Southwood, MS, RDN, LDNWestmont, IL 605591205357282
- Nicole ConteducaWestern Springs, IL 605581083124986
- Carly Groetsema, RD, LDNWestern Springs, IL 605581700060910
Common questions
What is Elizabeth Ann O'Malley, RD, LDN's NPI number?
Elizabeth Ann O'Malley, RD, LDN's National Provider Identifier (NPI) is 1740586924, issued on Feb 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Ann O'Malley, RD, LDN located?
The NPPES record lists a practice address at 460 Quail Ridge Dr, Westmont, IL, 60559. Phone: (630) 986-2800. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Ann O'Malley, RD, LDN's license?
NPPES lists Illinois license number 164003575, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
What is Elizabeth Ann O'Malley, RD, LDN's MIPS final score?
The 2023 MIPS final score is 88.3 of 100, reported for the practice group. 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.