Allyson Leigh Roser, PA
Physician Assistant · Belleville, IL
Allyson Leigh Roser, PA is a physician assistant with a practice address in Belleville, Illinois, and NPI 1639678451, issued on Feb 7, 2018. Check the license (Illinois 085.006541, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allyson Leigh Roser
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 085.006541 IL
1150728 MA
Self-reported in NPPES; status is on the state search - Practice location
- 4600 Memorial Dr Ste W3, Belleville, IL 62226
- Phone
- (618) 222-8900
- Enumerated
- Feb 7, 2018
- Record last updated
- Apr 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (618) 416-4449
- Medicare enrollment
- Enrolled (PECOS I20220830002581); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 4600 Memorial Dr Ste W3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Capasso-Gulve, PA-CPhysician Assistant1760657266
- John Lehman, MDCardiovascular Disease Physician1568480374
- Lindsey Senci, FNP-CClinical Nurse Specialist1649771544
Verify Allyson Leigh Roser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085.006541Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average physician assistant in 2024
423 Medicare Part D claims for 134 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Diclofenac Sodium133 claims
- Gabapentin104 claims
- Methocarbamol53 claims
- Meloxicam34 claims
- Tizanidine Hcl23 claims
- Methylprednisolone17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allyson Leigh Roser among 4,926 physician assistant records in Illinois
Allyson Leigh Roser, 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 2018, is newer than 48% of them.
- NPI issued2018 · 48% of these records are older, 47% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · 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).
42 physician assistant records list a practice address in Belleville
They are 42 of the 1,404 NPPES records with a practice address in Belleville, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Belleville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer Adams, PASwansea, IL 622261013980150
- Nicolette Bigham, PA-CBelleville, IL 622261801222930
- Kelly Bliss, PABelleville, IL 622261831334150
- Elizabeth Capasso-Gulve, PA-CBelleville, IL 622261760657266
- Karen Ham, PA-CBelleville, IL 622261629285515
- Lance Lane, PA-CBelleville, IL 622261023088655
- Kelly Page, PABelleville, IL 622261558528265
- Rhonda Pulver, P.A.Belleville, IL 622261932147592
Common questions
What is Allyson Leigh Roser, PA's NPI number?
Allyson Leigh Roser, PA's National Provider Identifier (NPI) is 1639678451, issued on Feb 7, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Allyson Leigh Roser, PA located?
The NPPES record lists a practice address at 4600 Memorial Dr Ste W3, Belleville, IL, 62226. Phone: (618) 222-8900. Providers update this record themselves, so call before visiting.
How can I verify Allyson Leigh Roser, PA's license?
NPPES lists Illinois license number 085.006541, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Allyson Leigh Roser, PA prescribe under Medicare Part D?
In 2024, Allyson Leigh Roser, PA had 423 Medicare Part D claims for 134 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Allyson Leigh Roser, PA's MIPS final score?
The 2023 MIPS final score is 81.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.