Mr William R Reilly, MD - Medicare Cardiovascular Disease (cardiology) in Waterloo, IL

Mr William R Reilly, MD is a medicare enrolled "Internal Medicine - Interventional Cardiology" physician in Waterloo, Illinois. He went to Southern Illinois University School Of Medicine and graduated in 1980 and has 44 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Deaconess Illinois Specialty Clinic, Inc., Deaconess Illinois Specialty Clinic, Inc. and his current practice location is 509 Hamacher St Ste 204, Waterloo, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 939-4200.

Mr William R Reilly is licensed to practice in Missouri (license number R2F41) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1205846516.

Contact Information

Mr William R Reilly, MD
509 Hamacher St Ste 204,
Waterloo, IL 62298-1592
(618) 939-4200
(618) 939-4256

Map and Direction




Physician's Profile

Full NameMr William R Reilly
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience44 Years
Location509 Hamacher St Ste 204, Waterloo, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr William R Reilly attended and graduated from Southern Illinois University School Of Medicine in 1980
  NPI Data:
  • NPI Number: 1205846516
  • Provider Enumeration Date: 08/09/2006
  • Last Update Date: 01/31/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2567418171
  • Enrollment ID: I20070921000819

Medical Identifiers

Medical identifiers for Mr William R Reilly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205846516NPI-NPPES
202480307MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0011XInternal Medicine - Interventional Cardiology 036-065044 (Illinois)Secondary
207RI0011XInternal Medicine - Interventional Cardiology 036065044 (Illinois)Secondary
207RI0011XInternal Medicine - Interventional Cardiology R2F41 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorial HospitalBelleville, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Deaconess Illinois Specialty Clinic, Inc.983056201677
Deaconess Illinois Specialty Clinic, Inc.983056201677

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mr William R Reilly allows following entities to bill medicare on his behalf.
Entity NameDeaconess Illinois Specialty Clinic, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972210235
PECOS PAC ID: 9830562016
Enrollment ID: O20230321001688

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mr William R Reilly is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mr William R Reilly, MD
P.o. Box 78399,
Saint Louis, MO 63178-8399

Ph: (618) 939-4200
Mr William R Reilly, MD
509 Hamacher St Ste 204,
Waterloo, IL 62298-1592

Ph: (618) 939-4200

Reviews and Comments


Internal Medicine Doctors in Waterloo, IL


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