Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Karen Elisabeth Deffenbacher, MD, PHD

Individual provider Internal Medicine Physician · NPI 1154702421

Dr. Karen Elisabeth Deffenbacher, MD, PHD is an Interventional Cardiology in Harvey, Illinois. Graduated from University of Nebraska College of Medicine in 2015, 11 years ago. Practices with Advanced Heart Group SC, a 6-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Massachusetts.

Years since qualifying
11
Trained at
University of Nebraska College of Medicine
Licensed in
IL, MA
In the registry since
2015
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

71 W 156th St Ste 305
Harvey, IL 60426-4264
Phone: (708) 331-2200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 676 N Saint Clair St Ste 600, Chicago, IL 60611 — (312) 695-0070
  • 75 Francis St, Boston, MA 02115-6110 — (617) 732-5500

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 036145936 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 264258 (MA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 036.145936 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036145936 (IL)

Record details

NPI number1154702421
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 12, 2015
Last updated in NPPESDecember 17, 2024
Certification dateDecember 17, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY), INTERNAL MEDICINE
Medical schoolUNIVERSITY OF NEBRASKA COLLEGE OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Advanced Heart Group Sc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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