Quick answers
- Which hospitals does Sienna A. Kotch work at?
- Medicare's official clinician data lists Sienna A. Kotch at 3 hospitals: Chelsea Hospital, Edward Hospital and UChicago Medicine AdventHealth Hinsdale. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sienna A. Kotch see patients?
- Medicare's clinician data lists 6 practice locations, including Chelsea, MI, Wheaton, IL and Bloomingdale, IL. Call before your visit to confirm the address.
- What is Sienna A. Kotch's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Sienna A. Kotch accept Medicare assignment?
- Yes. Medicare's clinician data says Sienna A. Kotch accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sienna A. Kotch?
- (734) 475-8677, as listed in official Medicare / NPI Registry data.
- What is Sienna A. Kotch's NPI number?
- 1275201345. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sienna A. Kotch works
Medicare's Facility Affiliation Data lists Sienna A. Kotch at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chelsea HospitalChelsea, MI · Acute Care Hospital · CCN 230259
- Edward HospitalNaperville, IL · Acute Care Hospital · CCN 140231
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · CCN 140122
Practice locations
Addresses where Sienna A. Kotch is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 128 Van Buren StChelsea, MI 48118 (734) 475‑8677
- 14650 E Old US Hwy 12Chelsea, MI 48118
- 1800 N Main StWheaton, IL 60187 (630) 665‑6200
- 30 Stratford DrBloomingdale, IL 60108 (630) 893‑2210
- 430 Pennsylvania AveGlen Ellyn, IL 60137 (630) 469‑9200
Group practices
Medicare enrollment lists Sienna A. Kotch as a member of these groups (CMS data updated 2026-10-02).
- Dupage Medical Group Ltd1,322 clinicians in the group
- Iha Health Services Corporation1,168 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chelsea
Clinicians with the same Medicare primary specialty in Chelsea, MI — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275201345 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians