Leah Simpson, PA
Physician Assistant · Rockford, IL
Leah Simpson, PA is a physician assistant with a practice address in Rockford, Illinois, and NPI 1518593342, issued on Mar 12, 2020. Check the license (Illinois 085007811, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leah Simpson
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085007811 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2350 N Rockton Ave, Rockford, IL 61103
- Phone
- (815) 971-7400
- Enumerated
- Mar 12, 2020
- Record last updated
- Feb 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (815) 971-9460
- Medicaid ID
- 151893342 WI
- Medicare enrollment
- Enrolled (PECOS I20200727002936); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 2350 N Rockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leah Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085007811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
236 Medicare Part D claims for 80 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 93 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen67 claims
- Diclofenac Sodium51 claims
- Gabapentin26 claims
- Tramadol Hcl14 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: $274.75
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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
- Rockford Health PhysiciansRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leah Simpson among 4,926 physician assistant records in Illinois
Leah Simpson, 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 2020, is newer than 58% of them.
- NPI issued2020 · 58% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2019 among the 3,407 with a school on file
- Record last updated2021 · 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).
115 physician assistant records list a practice address in Rockford
They are 115 of the 3,893 NPPES records with a practice address in Rockford, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Rockford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Robert Sharrow, PHYSICIAN ASSISTANTRockford, IL 611031417053745
- Alyssa Vasylyuk, PA-CRockford, IL 611031578042982
- Megan Buja, PA-CRockford, IL 611041851763700
- Marissa Dreger, PARockford, IL 611021609406008
- Joseph Gaziano, PA-CRockford, IL 611041235477639
- Kaitlin Georgiafandis, PA-CRockford, IL 611041760824114
- David Huang, PA-CRockford, IL 611021780366302
- Ashlee Inthaluexay-Cape, PA-CRockford, IL 611021497561179
Common questions
What is Leah Simpson, PA's NPI number?
Leah Simpson, PA's National Provider Identifier (NPI) is 1518593342, issued on Mar 12, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Leah Simpson, PA located?
The NPPES record lists a practice address at 2350 N Rockton Ave, Rockford, IL, 61103. Phone: (815) 971-7400. Providers update this record themselves, so call before visiting.
How can I verify Leah Simpson, PA's license?
NPPES lists Illinois license number 085007811, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Leah Simpson, PA prescribe under Medicare Part D?
In 2024, Leah Simpson, PA had 236 Medicare Part D claims for 80 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.