Austen-kum Chai, MD - Medicare Emergency Medicine in Elmhurst, IL

Austen-kum Chai, MD is a medicare enrolled "Emergency Medicine" physician in Elmhurst, Illinois. His current practice location is 200 Berteau Ave, Elmhurst, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 833-1400.

Austen-kum Chai is licensed to practice in Illinois (license number 036092283) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1972539682.

Contact Information

Austen-kum Chai, MD
200 Berteau Ave,
Elmhurst, IL 60126-2966
(630) 833-1400
Not Available

Map and Direction




Physician's Profile

Full NameAusten-kum Chai
GenderMale
SpecialityEmergency Medicine
Location200 Berteau Ave, Elmhurst, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1972539682
  • Provider Enumeration Date: 06/24/2006
  • Last Update Date: 04/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0840479796
  • Enrollment ID: I20110124001067

Medical Identifiers

Medical identifiers for Austen-kum Chai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972539682NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 036092283 (Illinois)Primary

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. Austen-kum Chai allows following entities to bill medicare on his behalf.
Entity NameCook County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588612832
PECOS PAC ID: 2860398088
Enrollment ID: O20031209000747
Entity NameElmhust Emergency Medical Services Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669408266
PECOS PAC ID: 6406740448
Enrollment ID: O20040211000455
Entity NameElmhurst Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548306343
PECOS PAC ID: 3577458009
Enrollment ID: O20040216000346

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. Austen-kum Chai 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
Austen-kum Chai, MD
Po Box 92016,
Chicago, IL 60675-2016

Ph: (630) 734-0200
Austen-kum Chai, MD
200 Berteau Ave,
Elmhurst, IL 60126-2966

Ph: (630) 833-1400

Reviews and Comments


Emergency Medicine Doctors in Elmhurst, IL

Kevin Emmerich, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 155 E Brush Hill Rd, Elmhurst, IL 60126
Phone: 331-221-1000    Fax: 331-221-3777
Thomas P. King, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 220 Berteau, Elmhurst Memorial Hospital, Elmhurst, IL 60126
Phone: 630-941-4540    
Ira Sender, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 155 E Brush Hill Rd, Elmhurst, IL 60126
Phone: 331-221-0200    
Dr. Kathleen Stevison Schmelka, MD
Emergency Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 155 E Brush Hill Rd, Elmhurst, IL 60126
Phone: 331-221-0202    
David Vitale, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 200 N Berteau Ave, Elmhurst, IL 60126
Phone: 630-833-1400    
Natalyn Garmun Wong, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 155 E Brush Hill Rd, Elmhurst, IL 60126
Phone: 331-221-0584    Fax: 331-221-3777
Justin R. Macariola-coad, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 200 Berteau Ave, Elmhurst, IL 60126
Phone: 630-833-1400    

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.