LOUIS RICHARD FELDENBERG (M.D.) – Pediatric Nephrology Physician, NPI 1295702314
Pediatric Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
319 NEPHROLOGY in MO
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Provider Addresses for LOUIS RICHARD FELDENBERG (M.D.)
3691 RUTGER AVE
ST. LOUIS, MO 631102515
Phone: (314) 977-6828
Fax: (314) 977-6872
Type: Mailing
SSM Health Cardinal Glennon Children’s Hospital, 1465, South Grand Boulevard, Tiffany, City of Saint Louis, Missouri, 63104, United States
SAINT LOUIS, MO 631041003
Phone: (314) 268-4101
Fax: (314) 577-5379
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: 2025-10-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20070209000591 | I | Nephrology | MO | TBD |
| I20250304002497 | I | Nephrology | TN | TBD |
| I20251002000840 | I | Pediatric Medicine | NY | 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 63110)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | MS | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology, Pediatric Medicine, Cardiovascular Disease (Cardiology), Interventional Cardiology | TN | |
| - | TN | |
| - | TN | |
| - | TN | |
| - | TN | |
| Diagnostic Radiology | TN | |
| Nephrology, Pediatric Medicine, Nephrology, Pediatric Medicine | TX | |
| Internal Medicine, Nephrology, Pediatric Medicine, Nephrology | TN | |
| Pediatric Medicine, Nephrology | TX |
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