James Robert Mattson, MD
NPI 1396109971ActiveIndividual· Emergency Medicine· Evanston, IL
Emergency Medicine (MD) in Evanston, Illinois, trained at University of California, Irvine, California College of Medicine (class of 2016). 546 Medicare patients in 2024, $80,073 paid; nearly all of their 144 Part D prescriptions were generic (97%). Ani Pharmaceuticals, Inc. reported $25.77 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1396109971 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 8, 2016 |
| Last updated in NPPES | Oct 4, 2024 |
| Certified by provider | Sep 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036166108 | IL |
| Emergency Medicine | 207P00000X | 304319 | NY |
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 - Emergency Medicine (IL); Practitioner - Emergency Medicine (NY); Practitioner - Emergency Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 546 |
|---|---|
| Services billed | 598 across 25 procedure codes |
| Paid by Medicare | $80,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 144 · 153 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $3,385 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Emergency Medicine |
Medical group
- University of Pittsburgh PhysiciansPittsburgh, PA · 4,236 clinicians
Hospital affiliation
- Upmc Presbyterian ShadysidePittsburgh, PA
Industry payments (Open Payments)
- 2025$25.77 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ani Pharmaceuticals, Inc. | $25.77 | 1 |
What the 2025 payments were for
- Food and Beverage$25.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 104 emergency medicine physicians in Evanston · All emergency medicine physicians in Illinois