Karen Elisabeth Deffenbacher, M.D., PH.D.
Interventional Cardiology Physician · Harvey, IL
Karen Elisabeth Deffenbacher, M.D., PH.D. is an interventional cardiology physician with a practice address in Harvey, Illinois, and NPI 1154702421, issued on Jun 12, 2015. Check the license (Illinois 036145936, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Karen Elisabeth Deffenbacher
- Credential
- M.D., PH.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- 036145936 IL
036.145936 IL
264258 MA
Self-reported in NPPES; status is on the state search - Practice location
- 71 W 156TH St Ste 305, Harvey, IL 60426
- Phone
- (708) 331-2200
- Enumerated
- Jun 12, 2015
- Record last updated
- Dec 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20200603002418); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 320 in Illinois → Look up another NPI →
Also registered at 71 W 156TH St Ste 305
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ripple Doshi, M.D.Cardiovascular Disease Physician1316122237
- Aaron Kunamalla, M.D.Interventional Cardiology Physician1477087872
Verify Karen Elisabeth Deffenbacher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036145936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
950 Medicare Part D claims for 197 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium147 claims
- Metoprolol Succinate87 claims
- Clopidogrel82 claims
- Losartan Potassium53 claims
- Lisinopril50 claims
- Metoprolol Tartrate43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14,894.88
56 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Advanced Heart Group SCHarvey, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Elisabeth Deffenbacher among 320 interventional cardiology physician records in Illinois
Karen Elisabeth Deffenbacher, M.D., PH.D. is one of 320 interventional cardiology physician records with a practice address in Illinois. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 10% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2015 · median 2002 among the 278 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Illinois
There are 320 interventional cardiology physician records in Illinois.
All 320 in Illinois → Every provider in Harvey → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Angel Castaner, MDHarvey, IL 604261033195771
- Aaron Kunamalla, M.D.Harvey, IL 604261477087872
- Shadwan Alsafwah, MDHazel Crest, IL 604291891890430
- Imad Ahmado, MDFlossmoor, IL 604221427068162
- George Aziz, M.D.Joliet, IL 604351639133358
- Divyesh Bhatt, M.D.Joliet, IL 604351043244668
- Michael Nicholas, DOCrete, IL 604171598740748
- Gaurav Kapoor, MDCoal City, IL 604161245225192
Common questions
What is Karen Elisabeth Deffenbacher, M.D., PH.D.'s NPI number?
Karen Elisabeth Deffenbacher, M.D., PH.D.'s National Provider Identifier (NPI) is 1154702421, issued on Jun 12, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Karen Elisabeth Deffenbacher, M.D., PH.D. located?
The NPPES record lists a practice address at 71 W 156TH St Ste 305, Harvey, IL, 60426. Phone: (708) 331-2200. Providers update this record themselves, so call before visiting.
How can I verify Karen Elisabeth Deffenbacher, M.D., PH.D.'s license?
NPPES lists Illinois license number 036145936, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Elisabeth Deffenbacher, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Karen Elisabeth Deffenbacher, M.D., PH.D. had 950 Medicare Part D claims for 197 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.