NPPES file of Aug 9, 2026

Courtney Rulynn Southwood, MS, RDN, LDN

Registered Dietitian · Westmont, IL

Courtney Rulynn Southwood, MS, RDN, LDN is a registered dietitian with a practice address in Westmont, Illinois, and NPI 1205357282, issued on Jun 29, 2017. Check the license (Illinois 164.005319, 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
1205357282
Name
Courtney Rulynn Southwood
Credential
MS, RDN, LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
164.005319 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
Jun 29, 2017
Record last updated
Apr 16, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(630) 986-2440
Medicare enrollment
Enrolled (PECOS I20170802000922); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2014
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.
Download card Updates feed

Also registered at 460 Quail Ridge Dr

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

  1. Anthony Auriemma, M.D., J.D.Family Medicine Physician1578507562
  2. Paula Barnes, M.D.Family Medicine Physician1194068700
  3. Karlijn Burridge, PAPhysician Assistant1750611646
  4. Samantha Marek, R.D.Registered Dietitian1902157191
  5. Elizabeth O'Malley, RD, LDNRegistered Dietitian1740586924
  6. Jessica Vogt, FNPFamily Nurse Practitioner1780159996

Verify Courtney Rulynn Southwood 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 164.005319
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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.

  1. Qualityout of 100 · 30% of the final score72.0
  2. Costout of 100 · 30%57.7
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. 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).

Courtney Rulynn Southwood among 2,870 registered dietitian records in Illinois

Courtney Rulynn Southwood, 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 2017, is newer than 47% of them.

  • NPI issued2017 · 47% of these records are older, 49% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2014 · 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.

The 8 registered dietitian records with the nearest ZIP codes

  1. Hayley BingenWestmont, IL 605591730799396
  2. Casey Harms, RD,LDNWestmont, IL 605591780106542
  3. Samantha Marek, R.D.Westmont, IL 605591902157191
  4. Elizabeth O'Malley, RD, LDNWestmont, IL 605591740586924
  5. Jonathan Reynoso, RDN, LDN, CSCSWestmont, IL 605591689490237
  6. Katie Schmidt, RD, LDNWestmont, IL 605591164039384
  7. Nicole ConteducaWestern Springs, IL 605581083124986
  8. Carly Groetsema, RD, LDNWestern Springs, IL 605581700060910

Common questions

What is Courtney Rulynn Southwood, MS, RDN, LDN's NPI number?

Courtney Rulynn Southwood, MS, RDN, LDN's National Provider Identifier (NPI) is 1205357282, issued on Jun 29, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Rulynn Southwood, MS, RDN, 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 Courtney Rulynn Southwood, MS, RDN, LDN's license?

NPPES lists Illinois license number 164.005319, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

What is Courtney Rulynn Southwood, MS, RDN, 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.