Mark Aaron Yaffe, MD
NPI 1558527556ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Schaumburg, IL
Orthopaedic Surgery, Hand Surgery (MD) in Schaumburg, Illinois, trained at Northwestern University Feinberg Medical School (class of 2008). 627 Medicare patients in 2024, $268,292 paid; nearly all of their 242 Part D prescriptions were generic (99%). Oak Med, Inc. was the largest of 2 companies reporting payments in 2024, $194.60 in all, mostly food and beverage.
Overview
| NPI | 1558527556 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 30, 2008 |
| Last updated in NPPES | Dec 23, 2025 |
| Certified by provider | Dec 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 036-132668 | IL |
| Orthopaedic Surgery | 207X00000X | 036-132668 | IL |
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 - Hand Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 627 |
|---|---|
| Services billed | 4,937 across 121 procedure codes |
| Paid by Medicare | $268,292 |
Part D prescriptions in 2024
| Prescriptions (claims) | 242 · 248 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $2,118 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Hand Surgery |
| Secondary specialties | Orthopedic Surgery |
Medical groups
- Orthomidwest, PLLCRockford, IL · 547 clinicians
- Barrington Orthopedic Specialists LtdElk Grove Village, IL · 58 clinicians
Hospital affiliations
- Northwest Community Hospital 1Arlington Heights, IL
- St Alexius Medical CenterHoffman Estates, IL
Industry payments (Open Payments)
- 2024$194.60 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Oak Med, Inc. | $146.41 | 1 |
| Pacira Pharmaceuticals Incorporated | $48.19 | 2 |
What the 2024 payments were for
- Food and Beverage$194.60 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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