Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ryan L Jennings, MD

Individual provider Internal Medicine Physician · NPI 1477588499

Ryan L Jennings, MD is a Hospitalist in Greenville, Illinois. Graduated from Southern Illinois University School of Medicine in 1998, 28 years ago. Practices with Cep America-Illinois Hospitalists, LLP, a 196-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
28
Trained at
Southern Illinois University School of Medicine
Licensed in
IL
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 Health Care Dr
Greenville, IL 62246-1154
Phone: (618) 664-1230
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 N Maple St, Effingham, IL 62401-2003 — (217) 342-4151

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036103305 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036103305 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 036103305 (IL)

Record details

NPI number1477588499
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESMay 10, 2019
Mailing addressPo Box 1268, Effingham, IL 62401-1268

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesFAMILY PRACTICE, INTERNAL MEDICINE, PEDIATRIC MEDICINE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Cep America-Illinois Hospitalists, Llp — 196 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Greenville