Brett James Cassidy, MD - Medicare Obstetrics/gynecology in Yorkville, IL

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Brett James Cassidy, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Yorkville, Illinois. He went to Emory University School Of Medicine and graduated in 1998 and has 27 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Osf Multi-specialty Group and his current practice location is 654 W Veterans Parkway, Suite A, Yorkville, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 553-3588.

Brett James Cassidy is licensed to practice in Illinois (license number ) 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 1649256975.

Contact Information

Brett James Cassidy, MD
654 W Veterans Parkway, Suite A,
Yorkville, IL 60560
(630) 553-3588
(630) 553-3525

Map and Direction




Physician's Profile

Full NameBrett James Cassidy
GenderMale
SpecialityObstetrics/gynecology
Experience27 Years
Location654 W Veterans Parkway, Yorkville, 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:
  • Brett James Cassidy attended and graduated from Emory University School Of Medicine in 1998
  NPI Data:
  • NPI Number: 1649256975
  • Provider Enumeration Date: 12/19/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0042309197
  • Enrollment ID: I20071128000050

Medical Identifiers

Medical identifiers for Brett James Cassidy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649256975NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ottawa Regional Hospital Dba Osf Saint Elizabeth Mdl CtrOttawa, ILHospital
Saint Francis Medical CenterPeoria, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Osf Multi-specialty Group36788897891848

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. Brett James Cassidy allows following entities to bill medicare on his behalf.
Entity NameAishling Obstetrics And Gynecology, S.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548321326
PECOS PAC ID: 2769417401
Enrollment ID: O20050930000267
Entity NameFox Valley Vein Centers, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114155983
PECOS PAC ID: 8628118114
Enrollment ID: O20091214000520
Entity NameOsf Multi-specialty Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922445527
PECOS PAC ID: 3678889789
Enrollment ID: O20150904000279

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. Brett James Cassidy 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
Brett James Cassidy, MD
2934 Old Glory Dr,
Yorkville, IL 60560-4620

Ph: (630) 385-2325		Brett James Cassidy, MD
654 W Veterans Parkway, Suite A,
Yorkville, IL 60560

Ph: (630) 553-3588

Reviews and Comments


Obstetrics & Gynecology Doctors in Yorkville, IL


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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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