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

Dr. William Lewis Riles, MD

Individual provider Gastroenterology Physician · NPI 1891705737

Dr. William Lewis Riles, MD is a Gastroenterology in Chicago, Illinois. Graduated from University of South Carolina School of Medicine in 1998, 28 years ago. Practices with Murray-Calloway County Public Hospital Corporation, a 89-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois, Kentucky and South Carolina.

Years since qualifying
28
Trained at
University of South Carolina School of Medicine
Licensed in
IL, KY, SC
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1901 W Harrison St
Chicago, IL 60612-3714
Phone: (312) 864-7344
Fax: (312) 864-9624
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 S 8th St Ste 509e, Murray, KY 42071-2403 — (270) 759-4000

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 036-104745 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-104745 (IL)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 35093 (KY)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 29567 (SC)

Record details

NPI number1891705737
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2006
Last updated in NPPESMarch 15, 2024
Certification dateMarch 15, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Murray-Calloway County Public Hospital Corporation — 89 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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