William B Weems, MD - Medicare Anesthesiology in Woodstock, IL

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William B Weems, MD is a medicare enrolled "Anesthesiology" physician in Woodstock, Illinois. He went to University Of Chicago, Pritzker School Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Huntley Anesthesia Associates Llc, Town Square Anesthesia Llc and his current practice location is Centegra Memorial Medical Center, 3701 Doty Road, Woodstock, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 334-3170.

William B Weems is licensed to practice in Illinois (license number 036101350) 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 1003856295.

Contact Information

William B Weems, MD
Centegra Memorial Medical Center, 3701 Doty Road,
Woodstock, IL 60098
(815) 334-3170
Not Available

Map and Direction




Physician's Profile

Full NameWilliam B Weems
GenderMale
SpecialityAnesthesiology
Experience28 Years
LocationCentegra Memorial Medical Center, Woodstock, 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:
  • William B Weems attended and graduated from University Of Chicago, Pritzker School Of Medicine in 1996
  NPI Data:
  • NPI Number: 1003856295
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 09/03/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4486552502
  • Enrollment ID: I20040806000861

Medical Identifiers

Medical identifiers for William B Weems such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003856295NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 036101350 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwestern Medicine Mchenry HospitalMchenry, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Huntley Anesthesia Associates Llc014351582522
Town Square Anesthesia Llc933504745521

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. William B Weems allows following entities to bill medicare on his behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541
Entity NameTown Square Anesthesia Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669471017
PECOS PAC ID: 9335047455
Enrollment ID: O20031229000379
Entity NameCentral Dupage Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033149844
PECOS PAC ID: 5890696231
Enrollment ID: O20040303000601
Entity NameOak Brook Anesthesiologists Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881705937
PECOS PAC ID: 3870554298
Enrollment ID: O20041020000126
Entity NameHuntley Anesthesia Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205282019
PECOS PAC ID: 0143515825
Enrollment ID: O20160819000149

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. William B Weems 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
William B Weems, MD
520 E 22nd St,
Lombard, IL 60148-6110

Ph: (630) 874-2542		William B Weems, MD
Centegra Memorial Medical Center, 3701 Doty Road,
Woodstock, IL 60098

Ph: (815) 334-3170

Reviews and Comments


Anesthesiology Doctors in Woodstock, IL

Neda Moaddeli, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3701 Doty Rd, Woodstock, IL 60098
Phone: 815-334-3170    
Dr. Michael A Zaino, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 2000 Lake Ave, Woodstock, IL 60098
Phone: 815-337-7100    
Khaja A Nasaruddin, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3701 Doty Rd, Woodstock, IL 60098
Phone: 815-334-3170    
Iwona Bobela, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 3701 Doty Rd, Centegra Memorial Medical Center, Woodstock, IL 60098
Phone: 815-334-3170    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.