Internal Medicine, Rheumatology · Waukesha, WI
NPI
1164423844
Since 2005
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
20800 Swenson Dr Ste 175
Waukesha, WI, 53186
Phone (262) 785-0777
Groups this clinician bills Medicare through
Medicare paid, 2024
$1.8M
149,000 services
Medicare patients, 2024
655
Average age 73
Drug cost, 2024
$4.1M
7,243 prescriptions
Company payments, 2025
$372
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Douglas Hempel was code J1602 (injection, golimumab, 1 mg, for intravenous use), 50,547 times for 103 patients. In total Douglas Hempel billed 149,000 services in 63 codes, and Medicare paid $1.8M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-12-30.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J1602 Injection, golimumab, 1 mg, for intravenous use | Office | 50,547 | 103 | $9.11 | $460K |
| J3262 Injection, tocilizumab, 1 mg | Office | 36,749 | 18 | $4.64 | $170K |
| J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Office | 9,700 | 33 | $33.53 | $325K |
| J1745 Injection, infliximab, excludes biosimilar, 10 mg | Office | 7,289 | 41 | $24.54 | $179K |
| J9312 Injection, rituximab, 10 mg | Office | 2,400 | 15 | $61.47 | $148K |
| J0897 Injection, denosumab, 1 mg | Office | 2,160 | 22 | $20.35 | $44K |
| 36415 Venipuncture Blood Collection | Office | 1,458 | 582 | $8.60 | $13K |
| 85025 Blood Count | Office | 1,420 | 571 | $7.57 | $11K |
| 84450 Clinical Chemistry | Office | 1,419 | 571 | $5.06 | $7,174 |
| 82040 Clinical Chemistry | Office | 1,418 | 570 | $4.83 | $6,844 |
| 82565 Clinical Chemistry | Office | 1,417 | 570 | $5.00 | $7,079 |
| 84460 Clinical Chemistry | Office | 1,415 | 570 | $5.17 | $7,309 |
| 86140 Clinical Chemistry | Office | 1,104 | 514 | $5.05 | $5,577 |
| 85652 Clinical Chemistry | Office | 1,104 | 515 | $2.64 | $2,909 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 863 | 431 | $11.20 | $9,664 |
By year: 2022 $1.8M for 142,370 services; 2023 $2.1M for 164,348 services; 2024 $1.8M for 149,000 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 1,458 | 582 | $8.60 | $13K |
| 85025 Blood Count | 1,420 | 571 | $7.57 | $11K |
| 84450 Clinical Chemistry | 1,419 | 571 | $5.06 | $7,174 |
| 82040 Clinical Chemistry | 1,418 | 570 | $4.83 | $6,844 |
| 82565 Clinical Chemistry | 1,417 | 570 | $5.00 | $7,079 |
| 84460 Clinical Chemistry | 1,415 | 570 | $5.17 | $7,309 |
| 85652 Clinical Chemistry | 1,104 | 515 | $2.64 | $2,909 |
| 86140 Clinical Chemistry | 1,104 | 514 | $5.05 | $5,577 |
| 86235 Immunoassay | 784 | 91 | $17.27 | $14K |
| 86431 Immunoassay | 342 | 174 | $5.56 | $1,900 |
Medicare prescription drug claims, 2024
In 2024, the drug Douglas Hempel prescribed most often to Medicare patients was Prednisone, with 1,347 prescriptions and refills. In total Douglas Hempel wrote 7,243 Medicare prescriptions that cost $4.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 1,347 | 2,038 | 323 | $8,420 |
| Hydroxychloroquine Sulfate Generic | 1,201 | 2,592 | 294 | $44K |
| Methotrexate Methotrexate Sodium | 1,060 | 2,422 | 272 | $24K |
| Allopurinol Generic | 297 | 661 | 74 | $2,301 |
| Folic Acid Generic | 269 | 663 | 72 | $2,760 |
| Gabapentin Generic | 265 | 377 | 45 | $3,275 |
| Leflunomide Generic | 239 | 549 | 61 | $10K |
| Duloxetine Hcl Generic | 170 | 300 | 41 | $2,825 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 162 | 162 | 33 | $2,667 |
| Tramadol Hcl Generic | 144 | 144 | 27 | $1,155 |
| Celecoxib Generic | 128 | 248 | 32 | $2,758 |
| Sulfasalazine Generic | 104 | 236 | 25 | $2,029 |
| Meloxicam Generic | 101 | 226 | 31 | $338 |
| Humira(Cf) Pen Adalimumab | 99 | 114 | 13 | $838K |
| Diclofenac Sodium Generic | 91 | 140 | 25 | $1,078 |
Brand drugs: 812 claims; generic drugs: 6,401 claims; opioid claims: 328.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Douglas Hempel $372 ($372 in general payments such as food, travel and fees) from 7 companies. The largest payer was Abbvie Inc. with $209.
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.