Keith Williams, MD - Medicare Pediatric Medicine in South Holland, IL

Keith Williams, MD is a medicare enrolled "Pediatrics" physician in South Holland, Illinois. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1983 and has 41 years of diverse experience with area of expertise as Pediatric Medicine. He is a member of the group practice Advocate Health And Hospitals Corporation and his current practice location is 100 W 162nd St, South Holland, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 730-2200.

Keith Williams is licensed to practice in Illinois (license number 036-070902) 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 1851304901.

Contact Information

Keith Williams, MD
100 W 162nd St,
South Holland, IL 60473-2003
(708) 730-2200
Not Available

Map and Direction




Physician's Profile

Full NameKeith Williams
GenderMale
SpecialityPediatric Medicine
Experience41 Years
Location100 W 162nd St, South Holland, 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:
  • Keith Williams attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1983
  NPI Data:
  • NPI Number: 1851304901
  • Provider Enumeration Date: 08/13/2006
  • Last Update Date: 12/21/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1658401716
  • Enrollment ID: I20100616000360

Medical Identifiers

Medical identifiers for Keith Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851304901NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 036-070902 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advocate Health And Hospitals Corporation78108009352422

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. Keith Williams allows following entities to bill medicare on his behalf.
Entity NameAdvocate Health And Hospitals Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700824455
PECOS PAC ID: 7810800935
Enrollment ID: O20031106000064

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. Keith Williams 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
Keith Williams, MD
2311 W 22nd St, Suite 202,
Oak Brook, IL 60523-1225

Ph: () -
Keith Williams, MD
100 W 162nd St,
South Holland, IL 60473-2003

Ph: (708) 730-2200

Reviews and Comments


Pediatrics Doctors in South Holland, IL

Susan Barclay, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 100 W 162nd St, South Holland, IL 60473
Phone: 708-730-2200    Fax: 708-210-0621
Dr. Baroukh Radfar, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 16264 Prince Dr, South Holland, IL 60473
Phone: 708-331-2040    Fax: 708-331-9755
Mohayya Khilfeh, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 100 W 162nd St, South Holland, IL 60473
Phone: 708-730-2200    
Dr. Wendell A Wheeler, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 15821 S Park Ave, South Holland, IL 60473
Phone: 708-225-0200    Fax: 708-225-0202

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.