Sarah Alice Gilfillan, PA
Physician Assistant · Des Plaines, IL
Sarah Alice Gilfillan, PA is a physician assistant with a practice address in Des Plaines, Illinois, and NPI 1043971435, issued on Jan 6, 2022. Check the license (Illinois 085-009600, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Alice Gilfillan
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085-009600 IL
Self-reported in NPPES; status is on the state search - Practice location
- 900 Rand RD Ste 120, Des Plaines, IL 60016
- Phone
- (312) 767-3244
- Enumerated
- Jan 6, 2022
- Record last updated
- Apr 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20230529000225); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 900 Rand RD Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Alice Gilfillan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085-009600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
180 Medicare Part D claims for 104 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Peg 3350-Electrolyte57 claims
- Pantoprazole Sodium32 claims
- Omeprazole22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $183.49
7 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Midwest Digestive Health And Nutrition, PLLCSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Alice Gilfillan among 4,926 physician assistant records in Illinois
Sarah Alice Gilfillan, PA is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.
- NPI issued2022 · 71% of these records are older, 22% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2022 · median 2019 among the 3,407 with a school on file
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 physician assistant records list a practice address in Des Plaines
They are 21 of the 1,164 NPPES records with a practice address in Des Plaines, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Des Plaines → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelsey Bohl, MS, PA-CDes Plaines, IL 600161508480021
- Sarah Cole, PA-CDes Plaines, IL 600161750978995
- Jessica Figueroa, PA-CDes Plaines, IL 600161013641539
- Austyn Harper, PA-CDes Plaines, IL 600161649775081
- Charisse Hartwig, PA-CDes Plaines, IL 600161477183002
- Callie Janet, PA-CDes Plaines, IL 600161043857493
- Daniel JuarezDes Plaines, IL 600161104525401
- Cynthia Lullo, PA-CDes Plaines, IL 600161063063584
Common questions
What is Sarah Alice Gilfillan, PA's NPI number?
Sarah Alice Gilfillan, PA's National Provider Identifier (NPI) is 1043971435, issued on Jan 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Alice Gilfillan, PA located?
The NPPES record lists a practice address at 900 Rand RD Ste 120, Des Plaines, IL, 60016. Phone: (312) 767-3244. Providers update this record themselves, so call before visiting.
How can I verify Sarah Alice Gilfillan, PA's license?
NPPES lists Illinois license number 085-009600, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Alice Gilfillan, PA prescribe under Medicare Part D?
In 2024, Sarah Alice Gilfillan, PA had 180 Medicare Part D claims for 104 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.