Graham Luke Machen, M.D.
NPI 1447695317ActiveIndividual· Urology· Milwaukee, WI
Urology (M.D.) in Milwaukee, Wisconsin, trained at Louisiana State University School of Medicine in New Orleans (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $101,153 for 893 claims, against $40,126 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 18 companies reporting payments in 2025, $1,070 in all, mostly food and beverage.
Overview
| NPI | 1447695317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 6, 2013 |
| Last updated in NPPES | Jun 22, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 68533 | WI |
| Urology | 208800000X | BP10047349 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 2,420 across 55 procedure codes |
| Paid by Medicare | $40,126 |
Part D prescriptions in 2024
| Prescriptions (claims) | 893 · 1,450 30-day fills |
|---|---|
| Patients | 262 |
| Total drug cost | $101,153 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Urology |
Medical groups
- Urology Specialists of the Carolinas PLLCHickory, NC · 84 clinicians
- Alliance Urology SpecialistsGreensboro, NC · 20 clinicians
Hospital affiliation
- Moses H. Cone Memorial Hospital, theGreensboro, NC
Industry payments (Open Payments)
- 2025$1,070 · 46 payments from 18 companies
- 2024$2,605 · 48 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $173.60 | 9 |
| Coloplast Corp | $169.48 | 5 |
| Novartis Pharmaceuticals Corporation | $130.13 | 5 |
| Boston Scientific Corporation | $118.96 | 2 |
| Merck Sharp & Dohme LLC | $102.16 | 4 |
What the 2025 payments were for
- Food and Beverage$1,070 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 urologists in Milwaukee · All urologists in Wisconsin