Huan J Chang, - Medicare Rheumatology in Chicago, IL

Huan J Chang, is a medicare enrolled "Internal Medicine - Rheumatology" physician in Chicago, Illinois. He went to Geisel School Of Medicine At Dartmouth and graduated in 1988 and has 36 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Presence Healthcare Services, The Board Of Trustees Of The University Of Illinois and his current practice location is 1740 W Taylor St, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (866) 600-2273.

Huan J Chang is licensed to practice in Illinois (license number 036083242) 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 1336244870.

Contact Information

Huan J Chang,
1740 W Taylor St,
Chicago, IL 60612-7232
(866) 600-2273
Not Available

Map and Direction




Physician's Profile

Full NameHuan J Chang
GenderMale
SpecialityRheumatology
Experience36 Years
Location1740 W Taylor St, Chicago, 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:
  • Huan J Chang attended and graduated from Geisel School Of Medicine At Dartmouth in 1988
  NPI Data:
  • NPI Number: 1336244870
  • Provider Enumeration Date: 09/13/2006
  • Last Update Date: 08/31/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 4688643190
  • Enrollment ID: I20040930001151

Medical Identifiers

Medical identifiers for Huan J Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336244870NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 036083242 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Illinois HospitalChicago, ILHospital
Presence Saints Mary And Elizabeth Medical CenterChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Presence Healthcare Services2860396769317
The Board Of Trustees Of The University Of Illinois3072422716923

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. Huan J Chang allows following entities to bill medicare on his behalf.
Entity NameThe Board Of Trustees Of The University Of Illinois
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386863819
PECOS PAC ID: 3072422716
Enrollment ID: O20031112000158
Entity NamePresence Healthcare Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932216819
PECOS PAC ID: 2860396769
Enrollment ID: O20050215000965

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. Huan J Chang 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
Huan J Chang,
1819 W Polk St, Cmw M/c 733,
Chicago, IL 60612-4356

Ph: (312) 413-9310
Huan J Chang,
1740 W Taylor St,
Chicago, IL 60612-7232

Ph: (866) 600-2273

Reviews and Comments


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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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