Internal Medicine, Nephrology · Neenah, WI
NPI
1487698387
Since 2006
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
3
Medicare group memberships
Hospitals
5
Hospital affiliations
300 N Commercial St, Suite 200
Neenah, WI, 54956
Phone (920) 886-0818
Groups this clinician bills Medicare through
Medicare paid, 2024
$137K
1,182 services
Medicare patients, 2024
277
Average age 70
Drug cost, 2024
$387K
780 prescriptions
Company payments, 2025
$860
From 19 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David W Koeper was code 90960 (esrd related services (not dialysis)), 286 times for 40 patients. In total David W Koeper billed 1,182 services in 23 codes, and Medicare paid $137K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-02-10.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 90960 ESRD Related Services (not dialysis) | Office | 286 | 40 | $256.21 | $73K |
| 99232 Hospital E&M - Subsequent | Facility | 251 | 102 | $57.20 | $14K |
| 90970 ESRD Related Services (not dialysis) | Office | 206 | 12 | $6.71 | $1,383 |
| 90966 ESRD Related Services (not dialysis) | Office | 89 | 13 | $216.49 | $19K |
| 99214 Office E&M - Established | Office | 87 | 64 | $83.71 | $7,283 |
| 90935 Hemodialysis | Facility | 64 | 36 | $52.45 | $3,357 |
| 99222 Hospital E&M - Initial | Facility | 52 | 49 | $93.88 | $4,882 |
| 99223 Hospital E&M - Initial | Facility | 26 | 26 | $119.03 | $3,095 |
| 99213 Office E&M - Established | Office | 25 | 24 | $54.22 | $1,355 |
| 99233 Hospital E&M - Subsequent | Facility | 17 | 14 | $84.04 | $1,429 |
| 99204 Office E&M - New | Office | 13 | 13 | $110.71 | $1,439 |
| 76770 Ultrasound - Abdomen and Pelvis | Office | 12 | 12 | $80.96 | $972 |
By year: 2022 $149K for 1,171 services; 2023 $144K for 1,115 services; 2024 $137K for 1,182 services.
Medicare prescription drug claims, 2024
In 2024, the drug David W Koeper prescribed most often to Medicare patients was Sevelamer Carbonate, with 102 prescriptions and refills. In total David W Koeper wrote 780 Medicare prescriptions that cost $387K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Sevelamer Carbonate Generic | 102 | 145 | 30 | $16K |
| Xphozah Tenapanor Hcl | 58 | 62 | Under 11 | $179K |
| Magnesium Sulfate Generic | 53 | 53 | Under 11 | $5,182 |
| Carvedilol Generic | 36 | 80 | Under 11 | $232 |
| Calcium Acetate Generic | 30 | 40 | Under 11 | $1,562 |
| Amlodipine Besylate Generic | 29 | 63 | Under 11 | $311 |
| Losartan Potassium Generic | 27 | 78 | Under 11 | $225 |
| Clonidine Generic | 26 | 26 | Under 11 | $3,410 |
| Ropinirole Hcl Generic | 24 | 46 | Under 11 | $205 |
| Labetalol Hcl Generic | 23 | 63 | Under 11 | $880 |
| Auryxia Ferric Citrate | 20 | 42 | Under 11 | $77K |
| Furosemide Generic | 19 | 49 | Under 11 | $111 |
| Calcitriol Generic | 18 | 43 | Under 11 | $374 |
| Bumetanide Generic | 18 | 28 | Under 11 | $736 |
| Prednisone Generic | 16 | 26 | Under 11 | $61.38 |
Brand drugs: 169 claims; generic drugs: 611 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David W Koeper $860 ($860 in general payments such as food, travel and fees) from 19 companies. The largest payer was Calliditas Therapeutics US Inc. with $129.
| Company | Payments | Amount |
|---|---|---|
| Calliditas Therapeutics US Inc. | 5 | $129 |
| Novartis Pharmaceuticals Corporation NVS | 5 | $113 |
| Otsuka America Pharmaceutical, Inc. 4578.T | 4 | $74.52 |
| Novo Nordisk Inc NVO | 3 | $70.38 |
| Lilly USA, LLC LLY | 3 | $64.62 |
| Ardelyx, Inc. ARDX | 3 | $58.67 |
| Mallinckrodt Hospital Products Inc. | 3 | $57.3 |
| GlaxoSmithKline, LLC. GSK | 3 | $49.27 |
| Fresenius USA Marketing, Inc. | 2 | $38.56 |
| ANI Pharmaceuticals, Inc. ANIP | 2 | $37.65 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.