Dr Karen Elisabeth Deffenbacher, MD, PHD - Medicare Internal Medicine in Harvey, IL

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Dr Karen Elisabeth Deffenbacher, MD, PHD is a medicare enrolled "Internal Medicine - Interventional Cardiology" physician in Harvey, Illinois. Her current practice location is 71 W 156th St Ste 305, Harvey, Illinois. You can reach out to her office (for appointments etc.) via phone at (708) 331-2200.

Dr Karen Elisabeth Deffenbacher is licensed to practice in Illinois (license number 036145936) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1154702421.

Contact Information

Dr Karen Elisabeth Deffenbacher, MD, PHD
71 W 156th St Ste 305,
Harvey, IL 60426-4264
(708) 331-2200
Not Available

Map and Direction




Physician's Profile

Full NameDr Karen Elisabeth Deffenbacher
GenderFemale
SpecialityInternal Medicine - Interventional Cardiology
Location71 W 156th St Ste 305, Harvey, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1154702421
  • Provider Enumeration Date: 06/12/2015
  • Last Update Date: 12/17/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5294049466
  • Enrollment ID: I20200603002418

Medical Identifiers

Medical identifiers for Dr Karen Elisabeth Deffenbacher such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154702421NPI-NPPES
036.145936OtherILSTATE LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 264258 (Massachusetts)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease 036.145936 (Illinois)Secondary
208M00000XHospitalist 036145936 (Illinois)Secondary
207RI0011XInternal Medicine - Interventional Cardiology 036145936 (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. Dr Karen Elisabeth Deffenbacher allows following entities to bill medicare on her behalf.
Entity NameAdvanced Heart Group Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518945989
PECOS PAC ID: 8022921816
Enrollment ID: O20031107000435

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 Karen Elisabeth Deffenbacher 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 Karen Elisabeth Deffenbacher, MD, PHD
71 W 156th St Ste 305,
Harvey, IL 60426-4264

Ph: (708) 331-2200		Dr Karen Elisabeth Deffenbacher, MD, PHD
71 W 156th St Ste 305,
Harvey, IL 60426-4264

Ph: (708) 331-2200

Reviews and Comments


Internal Medicine Doctors in Harvey, IL

Angel Castaner, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 71 W 156th St, Ste 305, Harvey, IL 60426
Phone: 708-331-2200    Fax: 708-331-8015
Mark F Kozloff, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 71 W 156th St, Suite 401, Harvey, IL 60426
Phone: 708-339-4800    Fax: 708-339-3760
Dr. Paul S Bierman, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Ingalls Dr, Harvey, IL 60426
Phone: 888-824-0200    
Janet Vokoun Starck, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Ingalls Dr, Harvey, IL 60426
Phone: 708-331-1360    
Dr. Michael Papakonstantinou, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1 Ingalls Dr, Harvey, IL 60426
Phone: 855-826-3878    
Sushil A Sheth, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1 Ingalls Dr, Harvey, IL 60426
Phone: 630-321-0097    Fax: 630-321-0909

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.