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

Mr. William R Reilly, MD

Individual provider Interventional Cardiology Physician · NPI 1205846516

Mr. William R Reilly, MD is a Cardiovascular Disease (Cardiology) in Waterloo, Illinois. Graduated from Southern Illinois University School of Medicine in 1980, 46 years ago. Practices with Deaconess Illinois Specialty Clinic, Inc, a 139-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
46
Trained at
Southern Illinois University School of Medicine
Licensed in
IL, MO
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.

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Practice location Address checks out

509 Hamacher St Ste 204
Waterloo, IL 62298-1592
Phone: (618) 939-4200
Fax: (618) 939-4256
Show map & directions

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

Additional practice locations (1)

  • 1028 S Kirkwood Rd, Saint Louis, MO 63122-7222 — (618) 939-4200

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence R2F41 (MO)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 036-065044 (IL)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 036065044 (IL)

Record details

NPI number1205846516
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2006
Last updated in NPPESJanuary 31, 2023
Certification dateJanuary 31, 2023

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE, INTERVENTIONAL CARDIOLOGY
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Deaconess Illinois Specialty Clinic, Inc. — 139 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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