KATHRYN ANNE FELDENZER (NP-C) – Nephrology Physician, NPI 1124571849
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for KATHRYN ANNE FELDENZER (NP-C)
41, Endicott Road, Hamilton Square, Hamilton Township, Mercer County, New Jersey, 08690, United States
HAMILTON SQUARE, NJ 086902145
Phone: (609) 658-3402
Type: Mailing
706 BENNETTS MILLS RD
JACKSON, NJ 085273850
Phone: (732) 724-2500
Fax: (732) 724-2600
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $2,342.
Total Amount is formed as General ($244) + Research ($2,098) + Ownership ($0) = $2,342.
Last reported payment date: 2024-02-02 • Largest payer in this snapshot: Corcept Therapeutics ($2,342).
Total Amount
$2,342
General + Research + Ownership
Payments
15
Total payment records
General Amount
$244
General payments
Research Amount
$2,098
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Corcept Therapeutics | $2,342 |
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: 2017-04-18
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 |
|---|---|---|---|---|
| I20170418002657 | I | Nurse Practitioner | NJ | 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 08690)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NJ | |
| - | NJ | |
| - | NJ | |
| - | NJ | |
| - | NY | |
| - | NJ |
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