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

Dr. William John Ray, MD

Individual provider Internal Medicine Physician · NPI 1689672859

Dr. William John Ray, MD is an Internal Medicine in Bloomington, Illinois. Graduated from University of Missouri, Columbia School of Medicine in 1988, 38 years ago. Practices as a sole proprietor, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
38
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
IL
In the registry since
2005
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

2501 E College Ave Ste C
Bloomington, IL 61704-2484
Phone: (309) 807-5356
Fax: (309) 807-5291
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1401 Eastland Dr, Bloomington, IL 61701-3514 — (309) 663-8311
  • 2005 Jacobssen Dr, Normal, IL 61761 — (309) 807-5356

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036-081186 (IL)

Record details

NPI number1689672859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 12, 2005
Last updated in NPPESJuly 29, 2024
Certification dateJuly 29, 2024
Mailing address2501 E College Ave Ste C, Bloomington, IL 61704-2484

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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