Jason E. Barnett, MD
Family Medicine Physician · Maryville, IL
Jason E. Barnett, MD is a family medicine physician with a practice address in Maryville, Illinois, and NPI 1295728988, issued on Aug 26, 2005. Check the license (Illinois 036104914, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jason E. Barnett
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036104914 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6812 State Route 162, Maryville, IL 62062
- Phone
- (618) 288-0044
- Enumerated
- Aug 26, 2005
- Record last updated
- Jan 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (618) 288-0066
- Medicaid IDs
- 036104914 IL
036104914004 IL - Medicare enrollment
- Enrolled (PECOS I20040610000387); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1998
- Entity
- Type 1 · individual
Also registered at 6812 State Route 162
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Barajas, PAPhysician Assistant1114454733
- Kathryn Followell, MDFamily Medicine Physician1396831780
- Kevin Garner, M.D.Internal Medicine Physician1922159037
- Brett Grebing, MDOrthopaedic Surgery Physician1447252978
- Rodney Greeling, DOInternal Medicine Physician1700960572
- Alyssa MartzFamily Nurse Practitioner1043757867
Verify Jason E. Barnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036104914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,172 Medicare Part D claims for 820 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 232 claims were for opioids.
Most prescribed
- Levothyroxine Sodium409 claims
- Atorvastatin Calcium402 claims
- Lisinopril393 claims
- Amlodipine Besylate386 claims
- Furosemide321 claims
- Metoprolol Succinate215 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): 74.4 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).
Industry payments in 2024: $110.09
6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Anderson Medical Group LLCMaryville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
11 family medicine physician records list a practice address in Maryville
They are 11 of the 414 NPPES records with a practice address in Maryville, and 6,215 family medicine physician records in Illinois.
All 11 in Maryville → All 6,215 in Illinois → Every provider in Maryville →
Other family medicine physician records in Illinois
- Jon Aagaard, MDWheaton, IL1750496923
- Napoleon Abando, MDWoodstock, IL1003972753
- Nikka Abaricia, MDChicago, IL1790366342
- Mohemmed AbbasChicago, IL1609612522
- Muhammad AbbasAlton, IL1588341556
- Syed AbbasWest Dundee, IL1972733103
- Stefanie AbbottMaywood, IL1861137457
- Roann Abdeladl, MDEvanston, IL1437087103
- Ahmed Abdelkader, MDChicago, IL1659104230
- Guy Abderholden, MDAntioch, IL1902899792
Common questions
What is Jason E. Barnett, MD's NPI number?
Jason E. Barnett, MD's National Provider Identifier (NPI) is 1295728988, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jason E. Barnett, MD located?
The NPPES record lists a practice address at 6812 State Route 162, Maryville, IL, 62062. Phone: (618) 288-0044. Providers update this record themselves, so call before visiting.
How can I verify Jason E. Barnett, MD's license?
NPPES lists Illinois license number 036104914, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jason E. Barnett, MD prescribe under Medicare Part D?
In 2024, Jason E. Barnett, MD had 9,172 Medicare Part D claims for 820 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jason E. Barnett, MD's MIPS final score?
The 2023 MIPS final score is 74.4 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.