Mark T. Nolden, M.D.
NPI 1164495529ActiveIndividual· Orthopaedic Surgery, Orthopaedic Surgery of the Spine· Chicago, IL
Orthopaedic Surgery, Orthopaedic Surgery of the Spine (M.D.) in Chicago, Illinois, trained at University of Wisconsin School of Medicine (class of 1996). 332 Medicare patients in 2024, $254,163 paid; all of their 56 Part D prescriptions were generic. Medical Device Business Services, Inc. was the largest of 7 companies reporting payments in 2025, $1,915 in all, mostly travel and lodging.
Overview
| NPI | 1164495529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 8, 2006 |
| Last updated in NPPES | Feb 16, 2021 |
| Certified by provider | Feb 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | 036106547 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 831 across 42 procedure codes |
| Paid by Medicare | $254,163 |
Part D prescriptions in 2024
| Prescriptions (claims) | 56 · 59 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $507.44 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
- Advantage Physical Therapy and Sports Rehab, LLCKenosha, WI · 294 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$1,915 · 25 payments from 7 companies
- 2024$253.96 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $1,040 | 6 |
| Depuy Synthes Sales Inc. | $639.79 | 11 |
| Orthofix Medical, Inc. | $71.27 | 3 |
| Medtronic, Inc. | $48.04 | 2 |
| Globus Medical, Inc. | $44.15 | 1 |
What the 2025 payments were for
- Travel and Lodging$984.63 · 3 payments
- Food and Beverage$929.92 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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