DR. JOHN P KATSAROPOULOS MD
NPI 1063419968
Internal Medicine - Interventional Cardiology in South Bend, IN
About Dr. John P Katsaropoulos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN P KATSAROPOULOS MD (NPI 1063419968) is an individual interventional cardiology provider in South Bend, Indiana, licensed in Indiana (01045186A) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John P Katsaropoulos Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Katsaropoulos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Bend, IN 46614
- Reassigned Medicare billing, Indiana enrollment
- 734 clinicians in this Medicare group
Linton, IN 47441
- Reassigned Medicare billing, Indiana enrollment
- 264 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health
Acute Care Hospitals · Indianapolis, INFranciscan Health Mooresville
Acute Care Hospitals · Mooresville, INColumbus Regional Hospital
Acute Care Hospitals · Columbus, INMemorial Hospital And Health Care Center
Acute Care Hospitals · Jasper, INFranciscan Health Indianapolis
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46614 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Katsaropoulos's NPI number?
The NPI number for John Katsaropoulos is 1063419968. It was assigned to this individual provider in the NPPES registry on July 7, 2005.
Where is John Katsaropoulos located?
John Katsaropoulos practices at 3365 Deer Lake Dr, South Bend, IN 46614. The listed phone number is (574) 276-3324.
What is John Katsaropoulos's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is John Katsaropoulos enrolled in Medicare?
Yes. John Katsaropoulos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Katsaropoulos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Katsaropoulos reassigns Medicare benefits to 2 organizations: Beacon Medical Group, Inc. (South Bend, IN) and Deaconess Specialty Physicians Inc (Linton, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Katsaropoulos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Katsaropoulos accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource list John Katsaropoulos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Katsaropoulos affiliated with any hospitals?
According to CMS data, John Katsaropoulos is affiliated with Indiana University Health, Franciscan Health Mooresville, Columbus Regional Hospital, Memorial Hospital And Health Care Center and Franciscan Health Indianapolis.
When was this NPI record last updated?
The NPPES record for John Katsaropoulos was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John P Katsaropoulos, MD · NPI 1063419968
Interventional Cardiology physician in South Bend, Indiana. Individual provider, active in the CMS NPPES registry since July 7, 2005.
## Identity
- **NPI:** 1063419968 (Entity type: Individual)
- **Enumerated:** July 7, 2005
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 01045186A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 3365 DEER LAKE DR, South Bend, IN 46614-2468
- **Phone:** (574) 276-3324
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Beacon Medical Group, Inc. (NPI 1124079330, South Bend, IN); Deaconess Specialty Physicians Inc (NPI 1336956408, Linton, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** July 21, 2026
- **Other identifiers:** Medicaid 100474520 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1063419968) · Data from the CMS NPPES public registry.