Mathew Loesch, D.O.
NPI 1720490451ActiveIndividual· Dermatology· Lombard, IL
Dermatology (D.O.) in Lombard, Illinois, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $382,489 for 881 claims, against $141,422 paid for services in 2024. Amgen Inc. was the largest of 12 companies reporting payments in 2025, $779.85 in all, mostly food and beverage.
Overview
| NPI | 1720490451 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 29, 2014 |
| Last updated in NPPES | Aug 10, 2023 |
| Certified by provider | Aug 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 036148216 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Dermatology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 794 |
|---|---|
| Services billed | 3,254 across 62 procedure codes |
| Paid by Medicare | $141,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 881 · 1,030 30-day fills |
|---|---|
| Patients | 395 |
| Total drug cost | $382,489 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Dermatology |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Industry payments (Open Payments)
- 2025$779.85 · 23 payments from 12 companies
- 2024$294.00 · 9 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $183.10 | 7 |
| Galderma Laboratories, L.P. | $160.97 | 2 |
| Sun Pharmaceutical Industries Inc. | $143.78 | 2 |
| Novartis Pharmaceuticals Corporation | $92.88 | 2 |
| Ucb, Inc. | $48.89 | 2 |
What the 2025 payments were for
- Food and Beverage$779.85 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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