COURTNEY RULYNN SOUTHWOOD (MS, RDN, LDN) – Registered Dietitian, NPI 1205357282
Registered Dietitian
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Profile Insights
NPPES metrics only — not quality of care.
311 REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL in IL
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Provider Addresses for COURTNEY RULYNN SOUTHWOOD (MS, RDN, LDN)
1109, Catherine Avenue, Kings Terrace, Naperville, DuPage County, Illinois, 60540, United States
NAPERVILLE, IL 605405601
Phone: (708) 250-5381
Type: Mailing
460 QUAIL RIDGE DR
WESTMONT, IL 605596145
Phone: (630) 986-2800
Type: Mailing
460, Quail Ridge Drive, Westmont, DuPage County, Illinois, 60559, United States
WESTMONT, IL 605596145
Phone: (630) 986-2800
Fax: (630) 986-2440
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-08-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170802000922 | I | Registered Dietitian Or Nutrition Professional | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60540)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Family Practice | IL | |
| Registered Dietitian Or Nutrition Professional | IL | |
| Family Practice | IL | |
| Registered Dietitian Or Nutrition Professional | IL | |
| Registered Dietitian Or Nutrition Professional | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | WI | |
| Nurse Practitioner | IL |
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