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Active NPI 1275201345 Individual Practitioner Female Practitioner

Sienna Kotch , PA-C

Physician Assistant • Elmhurst, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Sienna Kotch, PA-C is a certified Physician Assistant practicing in Elmhurst, IL. With approximately 5 years of clinical experience since completing medical education in 2021, Sienna Kotch delivers high-quality medical care to the local community at 133 E BRUSH HILL RD STE 100.

Sienna Kotch is affiliated with Dupage Medical Group Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of cage or mesh device to spine bone and disc space during spine fusion, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

133 E Brush Hill Rd Ste 100

Elmhurst, IL 601265660

Telephone 7345935700
Fax 7344269024
Associated Practice Facility / Clinic
🏢 Chelsea Professional Services Facility NPI 1235278714

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Elmhurst, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -3.7 yrs vs City Avg
City Avg: 8.7 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
21 Specialists

Practicing in Elmhurst, IL (4958 Statewide)

Telehealth Adoption Rate
14.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
96.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kotch (5 Years) 5 Yrs
Elmhurst Specialty Average (8.7 Years) 8.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes
220 177 $157.00 $79.23
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion
65 41 $464.50 $37.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
58 58 $235.00 $98.21
22614 Fusion of additional segment of spine
52 27 $1187.50 $58.41
22612 Fusion of spine in lower back
29 29 $4688.00 $232.81
63048 Partial removal of spine bone with release of spinal cord and/or nerves
27 14 $1189.50 $31.43
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach
21 21 $4496.50 $117.40
22842 Placement of stabilizing device to back, 3-6 spine bone segments
21 21 $2708.50 $112.30
22633 Fusion of spine in lower back with partial removal of spine bone and disc
20 20 $7006.88 $258.36
22214 Incision of spine to correct deformity at lower spinal column
19 19 $4945.52 $107.20
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves
17 17 $3367.50 $87.16
22840 Placement of stabilizing device to back of 1 spine bone in neck
16 16 $2312.50 $106.58

Medical Specialties & State Licenses

CMS Verified: 2026-08-04
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License MI 5601012891

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License IL 085-008534

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Dupage Medical Group Ltd

430 Pennsylvania Ave, Glen Ellyn, IL 601374464

Phone: 6304699200

Dupage Medical Group Ltd

1800 N Main St, Wheaton, IL 601873149

Phone: 6306656200

Dupage Medical Group Ltd

30 Stratford Dr, Bloomingdale, IL 601082201

Phone: 6308932210

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners
Dr. Mark Pinto , MD

Orthopaedic Surgery

NPI 1033228903

Doctor of Medicine (M.D.)

Dr. Cameron Patthanacharoenphon , MD

Orthopaedic Surgery - Foot and Ankle Surgery

NPI 1073834339

Doctor of Medicine (M.D.)

Rebecca Turner , PA

Physician Assistant

NPI 1326127945

Physician Assistant

Dr. Robert Williams , MD

Orthopaedic Surgery

NPI 1407878093

Doctor of Medicine (M.D.)

Dr. Andrew Moore , MD

Orthopaedic Surgery

NPI 1437374931

Doctor of Medicine (M.D.)

Dr. Lawrence Jajou , DO

Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery

NPI 1497370050

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Business Mailing Address August 04, 2026

Registered at 24 FRANK LLOYD WRIGHT DR., SUITE J2000, ANN ARBOR, MI 48105 (Tel: 6304699200)

📍
Updated Business Mailing Address July 24, 2023

Registered at PO BOX 713260, CHICAGO, IL 606779712 (Tel: 6304699200)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2023

Physician Assistant (License #085-008534 in IL)

📍
Updated Practice Location November 08, 2021

Registered at 133 E BRUSH HILL RD STE 100, ELMHURST, IL 601265660 (Tel: 6034699200)

📍
Updated Business Mailing Address November 08, 2021

Registered at 1860 PAYSPHERE CIR, CHICAGO, IL 606749712 (Tel: 6304699200)

NPI Profile Active September 02, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location September 02, 2021

Registered at 133 E BRUSH HILL RD, ELMHURST, IL 601265659 (Tel: 6034699200)

📍
Updated Business Mailing Address September 02, 2021

Registered at 4705 WEISS RD, FRANKENMUTH, MI 487349712 (Tel: 9892745671)

👤
Provider Name / Credentials Updated September 02, 2021

Recorded as SIENNA KOTCH, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 02, 2021

Physician Assistant (License #1164307 in None)

🟢
Initial NPI Registration & Enumeration September 02, 2021

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1275201345
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 02, 2021
Last Update: August 04, 2026
Sole Proprietor: No

Mailing Address

24 Frank Lloyd Wright Dr., Suite J2000

Ann Arbor, MI 48105

Phone: 6304699200

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.