Ryan L. Jennings, M.D.
Hospitalist Physician · Greenville, IL
Ryan L. Jennings, M.D. is a hospitalist physician with a practice address in Greenville, Illinois, and NPI 1477588499, issued on Jul 11, 2006. Check the license (Illinois 036103305, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ryan L. Jennings
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036103305 IL
Self-reported in NPPES; status is on the state search - Practice location
- 200 Health Care Dr, Greenville, IL 62246
- Phone
- (618) 664-1230
- Enumerated
- Jul 11, 2006
- Record last updated
- May 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 036103305 IL
- Medicare enrollment
- Enrolled (PECOS I20040929000664); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 200 Health Care Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Abbeg, D.O.Emergency Medicine Physician1548490311
- Jodi Ahern-SchoenClinical Social Worker1568878577
- Charles Auer, MDEmergency Medicine Physician1073540431
- Jamie Baum, M.D.Emergency Medicine Physician1528004876
- Bobby Blum, ANP-CAdult Health Nurse Practitioner1235403643
- Michael Bond, DOEmergency Medicine Physician1386623353
Verify Ryan L. Jennings 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 036103305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs
80 Medicare Part D claims for 63 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 93% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Arexvy41 claims
- Shingrix19 claims
- Boostrix Tdap14 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): 90.8 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
- Cep America-Illinois Hospitalists, LLPAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan L. Jennings among 1,535 hospitalist physician records in Illinois
Ryan L. Jennings, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 88% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1998 · median 2013 among the 1,339 with a school on file
- Record last updated2019 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 hospitalist physician records list a practice address in Greenville
They are 6 of the 160 NPPES records with a practice address in Greenville, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Greenville → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Crystal Carmicheal, M.D.Greenville, IL 622461619138682
- Jemila Crawford, M.D.Greenville, IL 622461154683860
- Hana Filipova, M.D.Greenville, IL 622461619129632
- Kamran Hussaini, M.D.Greenville, IL 622461215347125
- Andrew Mahtani, M.D.Greenville, IL 622461659579613
- Richard Decurtis, MDBelleville, IL 622261881324465
- Sreenidhi Kosuri, MDBelleville, IL 622261598469272
- Lauren Kruse, DOBelleville, IL 622261649916248
Common questions
What is Ryan L. Jennings, M.D.'s NPI number?
Ryan L. Jennings, M.D.'s National Provider Identifier (NPI) is 1477588499, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ryan L. Jennings, M.D. located?
The NPPES record lists a practice address at 200 Health Care Dr, Greenville, IL, 62246. Phone: (618) 664-1230. Providers update this record themselves, so call before visiting.
How can I verify Ryan L. Jennings, M.D.'s license?
NPPES lists Illinois license number 036103305, 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 Ryan L. Jennings, M.D. prescribe under Medicare Part D?
In 2024, Ryan L. Jennings, M.D. had 80 Medicare Part D claims for 63 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Ryan L. Jennings, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.8 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.