Jayna Lynne Cowsert, PA-C
Physician Assistant · Marion, IL
Jayna Lynne Cowsert, PA-C is a physician assistant with a practice address in Marion, Illinois, and NPI 1871043414, issued on Oct 6, 2016. Check the license (Illinois 085.006032, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jayna Lynne Cowsert
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085.006032 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3411 Professional Park Dr, Marion, IL 62959
- Phone
- (618) 997-2161
- Enumerated
- Oct 6, 2016
- Record last updated
- May 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (618) 997-2420
- Medicare enrollment
- Enrolled (PECOS I20170126000325); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 3411 Professional Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dietra Angelly, FNP-CNurse Practitioner1902371313
- Robin DaileyNurse Practitioner1265893051
- Jodi Fox, M.D.Family Medicine Physician1508848284
- Kalinda ShawNurse Practitioner1851961635
- Lindsey SollersNurse Practitioner1124797535
Verify Jayna Lynne Cowsert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085.006032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
174 Medicare Part D claims for 78 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass12 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 2 group practices
- Franklin Hospital DistrictBenton, IL
- Trinity Medical Staffing LLCHarrisburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jayna Lynne Cowsert among 4,926 physician assistant records in Illinois
Jayna Lynne Cowsert, 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 2016, is newer than 40% of them.
- NPI issued2016 · 40% of these records are older, 57% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2019 among the 3,407 with a school on file
- Record last updated2018 · 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).
26 physician assistant records list a practice address in Marion
They are 26 of the 1,171 NPPES records with a practice address in Marion, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Marion → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer Alexander, PAMarion, IL 629591235215633
- Jeri Brinkley, PA-CMarion, IL 629591881906055
- Danielle Butler, PA-CMarion, IL 629591730482951
- Leslee Duncan, PA-CMarion, IL 629591376562538
- Kathy Herren, PA-CMarion, IL 629591740337237
- Jeffery Hunt, PA-CMarion, IL 629591598780850
- Mary Jean Li, PACMarion, IL 629591710157268
- Steven Martinez, PA-CMarion, IL 629591346377199
Common questions
What is Jayna Lynne Cowsert, PA-C's NPI number?
Jayna Lynne Cowsert, PA-C's National Provider Identifier (NPI) is 1871043414, issued on Oct 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jayna Lynne Cowsert, PA-C located?
The NPPES record lists a practice address at 3411 Professional Park Dr, Marion, IL, 62959. Phone: (618) 997-2161. Providers update this record themselves, so call before visiting.
How can I verify Jayna Lynne Cowsert, PA-C's license?
NPPES lists Illinois license number 085.006032, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Jayna Lynne Cowsert, PA-C prescribe under Medicare Part D?
In 2024, Jayna Lynne Cowsert, PA-C had 174 Medicare Part D claims for 78 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.