Sienna Kotch, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5601012891 Issued in MI

Practice address

133 E Brush Hill Rd Ste 100
Elmhurst, IL 60126-5660

Phone

(734) 593-5700

Fax

(734) 426-9024

NPI assigned

Sep 2, 2021

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other names 1

• Sienna Kotch Former name

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IL, MI2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Physician Assistant

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dupage Medical Group LTDGroup PAC ID 5496667941, 1,326 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Edward Hospital Hospital, Naperville, IL, CCN 140231
• Uchicago Medicine Adventhealth Hinsdale Hospital, Hinsdale, IL, CCN 140122

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: skotch236125@dulyhealthandcare.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Dupage Medical Group LTD

  • Multi-Specialty Clinic/Center
  • Downers Grove, IL
  • NPI 1801833983
  Medicare reassignment Care Compare group NPD
• Iha Health Services Corporation

  • Obstetrics & Gynecology Physician
  • Canton, MI
  • NPI 1457408965
  Medicare reassignment
• Dupage Medical Group LTD

  • Durable Medical Equipment & Medical Supplies
  • Glen Ellyn, IL
  • NPI 1760979447
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Adventist Midwest Health

  • General Acute Care Hospital
  • Hinsdale, IL
  • NPI 1265465439
  Care Compare affiliation
• Adventist Midwest Health

  • Psychiatric Hospital Unit
  • Hinsdale, IL
  • NPI 1447270780
  Care Compare affiliation
• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1427069632
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1630540800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1275201345",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 FRANK LLOYD WRIGHT DR.",
            "address_2": "SUITE J2000",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "48105",
            "telephone_number": "630-469-9200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 E BRUSH HILL RD STE 100",
            "city": "ELMHURST",
            "state": "IL",
            "postal_code": "601265660",
            "telephone_number": "734-593-5700",
            "fax_number": "734-426-9024"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOTCH",
        "first_name": "SIENNA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-02",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085-008534",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601012891",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "skotch236125@direct.edward.org",
            "affiliation": "N",
            "address_1": "133 E Brush Hill Rd Ste 100",
            "city": "Elmhurst",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601265660",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "skotch236125@dulyhealthandcare.direct-ci.com",
            "affiliation": "N",
            "address_1": "133 E Brush Hill Rd Ste 100",
            "city": "Elmhurst",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601265660",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "SIENNA",
            "last_name": "KOTCH",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Michelle Kosik, MD
• Kassandra Koski
• Jennifer B Kossoris, M.D.
• Nicole Kostecki, OTR/L
• Carol A Kostelny, DPT
• Ami Kotecha, PHARMD
• Uzma Mohammed Kothawala, MD
• Christine L Koutsky, NP
• Snezana Kovacevic
• Kovach Eye Institute, LTD

• Physician Assistant in Elmhurst, IL
• Providers in Elmhurst, IL by specialty
• Physician Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.