Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sienna Kotch, PA-C
Physician Assistant in Elmhurst, IL · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275201345
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Sienna Kotch
Credential PA-C
Sex Female
Practice address 133 E Brush Hill Rd Ste 100, Elmhurst, IL, 60126
Phone (603) 469-9200
Fax (630) 428-3971
Enumeration date Sep 2, 2021
Last updated in NPPES Jul 24, 2023
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085-008534 (IL) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Sienna Kotch practice?
The practice location on file with NPPES is in Elmhurst, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sienna Kotch?
The National Provider Identifier (NPI) for Sienna Kotch is 1275201345, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Ellen Voronov Physical Medicine & Rehabilitation Physician · Elmhurst, IL NPI 1730170523 Christina Sarantopoulos Foot & Ankle Surgery Podiatrist · Elmhurst, IL NPI 1174535249 Andrea San Luis Physical Therapist · Elmhurst, IL NPI 1558657767 Ashish Patel Orthopaedic Surgery Physician · Elmhurst, IL NPI 1992077887 Adelina Hung Gastroenterology Physician · Elmhurst, IL NPI 1326300120 Danielle Brandonisio Nurse Practitioner · Elmhurst, IL NPI 1457877508
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-24.