DAVID W KOEPER (MD) – Nephrology Physician, NPI 1487698387
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
239 NEPHROLOGY in WI
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Provider Addresses for DAVID W KOEPER (MD)
300, North Commercial Street, Neenah, Winnebago County, Wisconsin, 54956, United States
SUITE 200
NEENAH, WI 549562619
Phone: (920) 886-0818
Fax: (920) 883-0773
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 83 Open Payments records for all available years, with a total value of $1,756.
Total Amount is formed as General ($1,756) + Research ($0) + Ownership ($0) = $1,756.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($390).
Total Amount
$1,756
General + Research + Ownership
Payments
83
Total payment records
General Amount
$1,756
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-01-14
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 |
|---|---|---|---|---|
| I20040114000425 | I | General Practice | WI | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 314 | 50 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 212 | 85 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 110 | 72 | $0 |
| 90966 | Home dialysis services per month (20 years or older) | 88 | 13 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 54 | 38 | $0 |
Insurance plans in this area (ZIP 54956)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| Nurse Practitioner | WI | |
| Nurse Practitioner | WI | |
| Nephrology, Internal Medicine | WI | |
| Physician Assistant | WI | |
| Internal Medicine, Nephrology | WI | |
| Nephrology, Internal Medicine | NY | |
| Nurse Practitioner | WI |
Reviews
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