Mary Kate Erdman
NPI 1144682311ActiveIndividual· Orthopaedic Surgery· Seattle, WA
Orthopaedic Surgery with University of Chicago and 1 other group, practicing in Seattle, Washington. Mostly services rather than prescriptions: Medicare paid $46,175 for 70 patients in 2024, with only 26 Part D claims. Curvafix, Inc. was the largest of 5 companies reporting payments in 2025, $2,222 in all, mostly food and beverage. Lists The University of Chicago Medical Center as a hospital affiliation.
Overview
| NPI | 1144682311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 25, 2016 |
| Last updated in NPPES | Jun 21, 2021 |
| Certified by provider | Jun 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | MD61139152 | WA |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 126 across 48 procedure codes |
| Paid by Medicare | $46,175 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 30 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $1,826 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- The University of Chicago Medical CenterChicago, IL · 915 clinicians
Hospital affiliation
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$2,222 · 17 payments from 5 companies
- 2024$723.49 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Curvafix, Inc. | $1,115 | 5 |
| Stryker Corporation | $782.07 | 9 |
| Si-Bone, Inc. | $166.41 | 1 |
| Depuy Synthes Sales Inc. | $144.45 | 1 |
| Globus Medical, Inc. | $14.33 | 1 |
What the 2025 payments were for
- Food and Beverage$1,414 · 15 payments
- Travel and Lodging$808.27 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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