Alexander Michael Riordan, M.D.
NPI 1972879534ActiveIndividual· Orthopaedic Surgery· Oak Creek, WI
Orthopaedic Surgery (M.D.) in Oak Creek, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2012). 144 Medicare patients in 2024, $57,699 paid; nearly all of their 210 Part D prescriptions were generic (98%). Smith+nephew, Inc. was the largest of 2 companies reporting payments in 2025, $2,395 in all, mostly travel and lodging.
Overview
| NPI | 1972879534 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2012 |
| Last updated in NPPES | Jan 15, 2024 |
| Certified by provider | Jan 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 61300-20 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 1,306 across 36 procedure codes |
| Paid by Medicare | $57,699 |
Part D prescriptions in 2024
| Prescriptions (claims) | 210 · 214 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $3,722 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Aurora Advanced Healthcare, Inc.Milwaukee, WI · 1,124 clinicians
- Lakeshore Medical Clinic LLCSaint Francis, WI · 379 clinicians
Hospital affiliations
- Aurora St Lukes Medical CenterMilwaukee, WI
- West Allis Memorial HospitalWest Allis, WI
Other facilities
- Aurora at HomeHome health agency · Milwaukee, WI
Industry payments (Open Payments)
- 2025$2,395 · 8 payments from 2 companies
- 2024$169.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $2,270 | 7 |
| Pacira Pharmaceuticals Incorporated | $125.00 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,749 · 3 payments
- Food and Beverage$645.98 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery providers in Oak Creek
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