Sienna Kotch, PA-C
NPI 1275201345ActiveIndividual· Physician Assistant· Elmhurst, IL
Physician Assistant (PA-C) with Dupage Medical Group Ltd and 1 other group, practicing in Elmhurst, Illinois. 280 Medicare patients in 2024, $45,247 paid; all of their 531 Part D prescriptions were generic. Globus Medical, Inc. was the largest of 3 companies reporting payments in 2025, $438.36 in all, mostly food and beverage. Lists Chelsea Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1275201345 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 2, 2021 |
| Last updated in NPPES | Aug 4, 2026 |
| Certified by provider | Aug 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601012891 | MI |
| Physician Assistant | 363A00000X | 085-008534 | 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 - Physician Assistant (IL); Practitioner - Physician Assistant (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 671 across 42 procedure codes |
| Paid by Medicare | $45,247 |
Part D prescriptions in 2024
| Prescriptions (claims) | 531 · 611 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $3,290 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- Edward HospitalNaperville, IL
- Uchicago Medicine Adventhealth HinsdaleHinsdale, IL
Industry payments (Open Payments)
- 2025$438.36 · 20 payments from 3 companies
- 2024$1,023 · 31 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Globus Medical, Inc. | $255.11 | 18 |
| Mml US, Inc. | $164.22 | 1 |
| Oak Med, Inc. | $19.03 | 1 |
What the 2025 payments were for
- Food and Beverage$438.36 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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