Eugenia L Hahn, MD - Medicare Allergy/immunology in Chicago, IL

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Eugenia L Hahn, MD is a medicare enrolled "Allergy & Immunology" physician in Chicago, Illinois. She went to University Of Rochester School Of Medicine And Dentistry and graduated in 2001 and has 23 years of diverse experience with area of expertise as Allergy/immunology. She is a member of the group practice The Board Of Trustees Of The University Of Illinois and her current practice location is 1801 W Taylor St Ste 3c, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (312) 996-2740.

Eugenia L Hahn is licensed to practice in Illinois (license number 036-116269) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1285640458.

Contact Information

Eugenia L Hahn, MD
1801 W Taylor St Ste 3c,
Chicago, IL 60612-4795
(312) 996-2740
(312) 996-3896

Map and Direction




Physician's Profile

Full NameEugenia L Hahn
GenderFemale
SpecialityAllergy/immunology
Experience23 Years
Location1801 W Taylor St Ste 3c, Chicago, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Eugenia L Hahn attended and graduated from University Of Rochester School Of Medicine And Dentistry in 2001
  NPI Data:
  • NPI Number: 1285640458
  • Provider Enumeration Date: 07/31/2006
  • Last Update Date: 12/09/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2062411358
  • Enrollment ID: I20061214000349

Medical Identifiers

Medical identifiers for Eugenia L Hahn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285640458NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology 036-116269 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Illinois HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
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. Eugenia L Hahn allows following entities to bill medicare on her 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 NameAdvanced Allergy & Asthma Associates Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629122403
PECOS PAC ID: 3577667237
Enrollment ID: O20070406000054

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. Eugenia L Hahn 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
Eugenia L Hahn, MD
1801 W Taylor St Ste 3c,
Chicago, IL 60612-4795

Ph: (312) 996-2740		Eugenia L Hahn, MD
1801 W Taylor St Ste 3c,
Chicago, IL 60612-4795

Ph: (312) 996-2740

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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