Marissa Liveris, PA-C
Physician Assistant · Downers Grove, IL
Marissa Liveris, PA-C is a physician assistant with a practice address in Downers Grove, Illinois, and NPI 1255766531, issued on Sep 5, 2013. Check the license (Illinois 085004770, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Liveris
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085004770 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3825 Highland Ave Ste 2B, Downers Grove, IL 60515
- Phone
- (224) 715-7485
- Enumerated
- Sep 5, 2013
- Record last updated
- Jan 4, 2022
- Fax
- (630) 852-4050
- Medicare enrollment
- Enrolled (PECOS I20141125000872); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2013
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 3825 Highland Ave Ste 2B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ridha Chakeer, M.D.Family Medicine Physician1013164391
Verify Marissa Liveris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085004770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
90 Medicare Part D claims for 31 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Azelastine Hcl23 claims
- Montelukast Sodium17 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.
Bills Medicare through one group practice
- Allergy And Asthma Associates OF Dupage, P.C.Naperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Liveris among 4,926 physician assistant records in Illinois
Marissa Liveris, PA-C 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 2013, is newer than 29% of them.
- NPI issued2013 · 29% of these records are older, 67% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2013 · median 2019 among the 3,407 with a school on file
- Record last updated2022 · 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).
45 physician assistant records list a practice address in Downers Grove
They are 45 of the 1,899 NPPES records with a practice address in Downers Grove, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Downers Grove → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christopher Bellm, PADowners Grove, IL 605151447517958
- Jennifer Beville, PHYSICIAN ASSISTANTDowners Grove, IL 605151558441626
- Sharon Blattner, PACDowners Grove, IL 605151932264173
- Angela Chimino, P.A.-C.Downers Grove, IL 605151639382823
- Ashley Cox, P.A.Downers Grove, IL 605151093902983
- Kristine Larsen, PACDowners Grove, IL 605151477531150
- David Luce, P.A.C.Downers Grove, IL 605151407825748
- Marek Majewski, PA-CDowners Grove, IL 605151841415270
Common questions
What is Marissa Liveris, PA-C's NPI number?
Marissa Liveris, PA-C's National Provider Identifier (NPI) is 1255766531, issued on Sep 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Liveris, PA-C located?
The NPPES record lists a practice address at 3825 Highland Ave Ste 2B, Downers Grove, IL, 60515. Phone: (224) 715-7485. Providers update this record themselves, so call before visiting.
How can I verify Marissa Liveris, PA-C's license?
NPPES lists Illinois license number 085004770, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Liveris, PA-C prescribe under Medicare Part D?
In 2024, Marissa Liveris, PA-C had 90 Medicare Part D claims for 31 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.