James Francis Peculis, MPAS
Physician Assistant · Maryville, IL
James Francis Peculis, MPAS is a physician assistant with a practice address in Maryville, Illinois, and NPI 1881168367, issued on Jan 17, 2019. Check the license (Illinois 085006934, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Francis Peculis
- Credential
- MPAS
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085006934 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6812 State Route 162 Ste 200, Maryville, IL 62062
- Phone
- (618) 288-0900
- Enumerated
- Jan 17, 2019
- Record last updated
- Dec 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20190416001512); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2018
- 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 6812 State Route 162 Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Sheffer, MSN, APRN, FNP-BCFamily Nurse Practitioner1083505291
Verify James Francis Peculis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085006934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average physician assistant in 2024
217 Medicare Part D claims for 93 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Tamsulosin Hcl73 claims
- Myrbetriq40 claims
- Finasteride38 claims
- Solifenacin Succinate36 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): 84.6 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 2 group practices
- Cook CountyChicago, IL
- Urology OF St Louis IncMaryville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Francis Peculis among 4,926 physician assistant records in Illinois
James Francis Peculis, MPAS 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 2019, is newer than 53% of them.
- NPI issued2019 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2019 among the 3,407 with a school on file
- Record last updated2025 · 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).
16 physician assistant records list a practice address in Maryville
They are 16 of the 414 NPPES records with a practice address in Maryville, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Maryville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Samuel Bailey, PAMaryville, IL 620621891778254
- Michael Barajas, PAMaryville, IL 620621114454733
- Arianne Dehr, PA-CMaryville, IL 620621942913256
- Rachel Gaudreault, PA-CMaryville, IL 620621588255772
- Jessica Gibson, PA-CMaryville, IL 620621164844387
- Mallory Henson, PAMaryville, IL 620621043856701
- Emily Hilton, PAMaryville, IL 620621912414327
- Emerald Lassiter, PA-CMaryville, IL 620621942911953
Common questions
What is James Francis Peculis, MPAS's NPI number?
James Francis Peculis, MPAS's National Provider Identifier (NPI) is 1881168367, issued on Jan 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is James Francis Peculis, MPAS located?
The NPPES record lists a practice address at 6812 State Route 162 Ste 200, Maryville, IL, 62062. Phone: (618) 288-0900. Providers update this record themselves, so call before visiting.
How can I verify James Francis Peculis, MPAS's license?
NPPES lists Illinois license number 085006934, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does James Francis Peculis, MPAS prescribe under Medicare Part D?
In 2024, James Francis Peculis, MPAS had 217 Medicare Part D claims for 93 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is James Francis Peculis, MPAS's MIPS final score?
The 2023 MIPS final score is 84.6 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.