Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1043971435 Individual Practitioner Female Practitioner

Sarah Alice Gilfillan , PA

Physician Assistant • Des Plaines, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Sarah Gilfillan, PA is a certified Physician Assistant practicing in Des Plaines, IL. With approximately 4 years of clinical experience since graduating from Saint Louis University School Of Medicine in 2022, Sarah Gilfillan delivers high-quality medical care to the local community at 900 RAND RD STE 120.

Sarah Gilfillan is affiliated with Midwest Digestive Health And Nutrition, Pllc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

900 Rand Rd Ste 120

Des Plaines, IL 600162359

Telephone 3127673244
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Saint Louis University School Of Medicine

Graduation Year

2022

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Des Plaines, IL

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs -3.1 yrs vs City Avg
City Avg: 7.1 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
21 Specialists

Practicing in Des Plaines, IL (4958 Statewide)

Telehealth Adoption Rate
19.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
60.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gilfillan (4 Years) 4 Yrs
Des Plaines Specialty Average (7.1 Years) 7.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
40 40 $370.00 $145.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
36 26 $279.00 $112.56
36415 Insertion of needle into vein for collection of blood sample
15 14 $22.00 $8.65

Medical Specialties & State Licenses

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

NUCC Taxonomy Code: 363A00000X

State License IL 085-009600

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID License
085-009600 (IL)

Hospital & Practice Group Affiliations

Midwest Digestive Health And Nutrition, Pllc

900 Rand Rd, Des Plaines, IL 600162359

Phone: 3127673244

Midwest Digestive Health And Nutrition, Pllc

1100 E Woodfield Rd, Schaumburg, IL 601735121

Phone: 3127673244

Secondary Practice Locations

17850 Kedzie Ave Ste 3500

Hazel Crest, IL 604292082

Phone: 7089574011

3437 Caroline St

Saint Louis, MO 631041111

Phone: 3149778639

Practice Associates & Co-Workers

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

26 Associated Practitioners
Steven Hendler

Internal Medicine - Gastroenterology

NPI 1013250695
Zuie Wakade

Internal Medicine - Gastroenterology

NPI 1013273150
Jessica Figueroa , PA-C

Physician Assistant

NPI 1013641539

Physician Assistant (Certified)

Callie Janet , PA-C

Physician Assistant

NPI 1043857493

Physician Assistant (Certified)

Dr. Mukund Venu , MD

Internal Medicine - Gastroenterology

NPI 1083838817

Doctor of Medicine (M.D.)

Christina Valdivia , APRN

Nurse Practitioner

NPI 1114705670

Advanced Practice Registered Nurse

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Practice Location April 08, 2026

Registered at 900 RAND RD STE 120, DES PLAINES, IL 600162359 (Tel: 3127673244)

📍
Updated Business Mailing Address April 08, 2026

Registered at 1400 S MICHIGAN AVE APT 1203, CHICAGO, IL 606053720

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 08, 2026

Physician Assistant (License #085-009600 in IL)

📍
Updated Practice Location July 03, 2023

Registered at 17850 KEDZIE AVE STE 3500, HAZEL CREST, IL 604292082 (Tel: 7089574011)

📍
Updated Business Mailing Address July 03, 2023

Registered at 29373 NETWORK PL, CHICAGO, IL 606731293

NPI Profile Active January 06, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location January 06, 2022

Registered at 3437 CAROLINE ST, SAINT LOUIS, MO 631041111 (Tel: 3149778639)

📍
Updated Business Mailing Address January 06, 2022

Registered at 348 S SLEIGHT ST, NAPERVILLE, IL 605405439 (Tel: 6307234919)

👤
Provider Name / Credentials Updated January 06, 2022

Recorded as SARAH GILFILLAN, PA

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 06, 2022

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration January 06, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Sarah Gilfillan. Be the first to share your experience!

Sign in to leave a review for Sarah Gilfillan

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1043971435
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 06, 2022
Last Update: April 08, 2026
Sole Proprietor: No

Mailing Address

1400 S Michigan Ave Apt 1203

Chicago, IL 606053720

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.