DR. KAREN ELISABETH DEFFENBACHER (M.D., PH.D.) – Interventional Cardiology Physician, NPI 1154702421
Interventional Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
465 INTERVENTIONAL CARDIOLOGY in IL
Provider Addresses for DR. KAREN ELISABETH DEFFENBACHER (M.D., PH.D.)
676 N SAINT CLAIR ST STE 600
CHICAGO, IL 606112981
Phone: (312) 695-0070
Type: Mailing
75 Francis St
Boston, MA 021156110
Phone: (617) 732-5500
Type: Location
676 N Saint Clair St Ste 600
Chicago, IL 60611
Phone: (312) 695-0070
Type: Location
71 W 156TH ST STE 305
HARVEY, IL 604264264
Phone: (708) 331-2200
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 70 Open Payments records for all available years, with a total value of $16,523.
Total Amount is formed as General ($16,523) + Research ($0) + Ownership ($0) = $16,523.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Medtronic, Inc. ($13,116).
Total Amount
$16,523
General + Research + Ownership
Payments
70
Total payment records
General Amount
$16,523
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $13,116 |
| Edwards Lifesciences Corporation | $2,009 |
| Abbott Laboratories | $1,042 |
| ShockWave Medical, Inc | $199 |
| Boston Scientific Corporation | $95 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-06-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20200603002418 | I | Interventional Cardiology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 149 | 129 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 118 | 61 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 102 | 86 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 72 | 68 | $0 |
| 93458 | Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | 54 | 51 | $0 |
Insurance plans in this area (ZIP 60611)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Nurse Practitioner | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | IL | |
| - | IL | |
| Family Practice | IL | |
| Cardiovascular Disease (Cardiology), Internal Medicine | IL |
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