Dr Daniel Williams, - Medicare Emergency Medicine in Olympia Fields, IL

Dr Daniel Williams, is a medicare enrolled "Emergency Medicine" physician in Olympia Fields, Illinois. He graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 20201 Crawford Ave, Midwestern University- Chicago Coll. Of Osteo. Medicine, Olympia Fields, Illinois. You can reach out to his office (for appointments etc.) via phone at (800) 458-6253.

Dr Daniel Williams is licensed to practice in Indiana (license number 02003228A) 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 1790956779.

Contact Information

Dr Daniel Williams,
20201 Crawford Ave, Midwestern University- Chicago Coll. Of Osteo. Medicine,
Olympia Fields, IL 60461-1010
(800) 458-6253
Not Available

Map and Direction




Physician's Profile

Full NameDr Daniel Williams
GenderMale
SpecialityEmergency Medicine
Experience19 Years
Location20201 Crawford Ave, Olympia Fields, 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:
  • Dr Daniel Williams graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1790956779
  • Provider Enumeration Date: 03/18/2008
  • Last Update Date: 12/14/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1850466632
  • Enrollment ID: I20090926000092

Medical Identifiers

Medical identifiers for Dr Daniel Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790956779NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 02003228A (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - RosevilleRoseville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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. Dr Daniel Williams allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Dr Daniel 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
Dr Daniel Williams,
453 E Maple Ct,
Glenwood, IL 60425-1479

Ph: (708) 753-1387
Dr Daniel Williams,
20201 Crawford Ave, Midwestern University- Chicago Coll. Of Osteo. Medicine,
Olympia Fields, IL 60461-1010

Ph: (800) 458-6253

Reviews and Comments


Emergency Medicine Doctors in Olympia Fields, IL

Afshan Jehan Ahmed, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20201 Crawford Ave, Olympia Fields, IL 60461
Phone: 708-747-4000    
Dr. Neil B Shah, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20201 Crawford Ave, Olympia Fields, IL 60461
Phone: 708-747-4000    
Nicholas Kulas,
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20201 Crawford Ave, Olympia Fields, IL 60461
Phone: 708-747-4000    
Dr. Ravi Sankar Dodda, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20201 Crawford Ave, Olympia Fields, IL 60461
Phone: 708-747-4000    
Anthony Nguyen, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20201 Crawford Ave, Attn: Postdoctoral Education, Olympia Fields, IL 60461
Phone: 708-747-4000    
Dr. Justin Anthony Rapoff, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20201 Crawford Ave, Olympia Fields, IL 60461
Phone: 708-747-4000    
Dr. Christopher Markus Colbert, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20201 Crawford Ave, Olympia Fields, IL 60461
Phone: 708-744-4000    

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).

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