DR. IOSIF KELESIDIS MD, MSC
NPI 1013154111
Internal Medicine - Clinical Cardiac Electrophysiology in Wesley Chapel, FL
About Dr. Iosif Kelesidis Md, Msc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IOSIF KELESIDIS MD, MSC (NPI 1013154111) is an individual clinical cardiac electrophysiology provider in Wesley Chapel, Florida, licensed in California (A135517) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS, is affiliated with St Josephs Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Iosif Kelesidis Md, Msc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Iosif Kelesidis reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Zephyrhills, FL 33539
- Reassigned Medicare billing, Florida enrollment
- 12 clinicians in this Medicare group
Tampa, FL 33613
- Reassigned Medicare billing, Florida enrollment
- 59 clinicians in this Medicare group
Clearwater, FL 33756
- Reassigned Medicare billing, Florida enrollment
- 75 clinicians in this Medicare group
Venice, FL 34285
- Reassigned Medicare billing, Florida enrollment
- 70 clinicians in this Medicare group
Watertown, NY 13601
- Reassigned Medicare billing, New York enrollment
- 183 clinicians in this Medicare group
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- 46 clinicians in this Medicare group
Santa Rosa, CA 95404
- Reassigned Medicare billing, Florida enrollment
- 2 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 37
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Josephs Hospital
Acute Care Hospitals · Tampa, FLLakeland Regional Medical Center
Acute Care Hospitals · Lakeland, FLAdventhealth Tampa
Acute Care Hospitals · Tampa, FLAdventhealth Wesley Chapel
Acute Care Hospitals · Wesley Chapel, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33544 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESLEY CHAPEL, FL 33544
WESLEY CHAPEL, FL 33544
WESLEY CHAPEL, FL 33544
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 Iosif Kelesidis's NPI number?
The NPI number for Iosif Kelesidis is 1013154111. It was assigned to this individual provider in the NPPES registry on January 11, 2009.
Where is Iosif Kelesidis located?
Iosif Kelesidis practices at 2477 Bruce B Downs Blvd, Wesley Chapel, FL 33544. The listed phone number is (813) 788-1400.
What is Iosif Kelesidis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Iosif Kelesidis enrolled in Medicare?
Yes. Iosif Kelesidis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Iosif Kelesidis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Iosif Kelesidis reassigns Medicare benefits to 8 organizations: Premier Heart And Vascular Center, PA (Zephyrhills, FL), West Florida Cardiovascular Co-Management Associates, LLC (Tampa, FL), Pinellas Ekg Interpreters Inc (Clearwater, FL), Archwell Health Medical Of Florida, LLC (Venice, FL), Samaritan Medical Center (Watertown, NY) and 3 more organizations, listed in the Medicare section above. 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 Iosif Kelesidis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Iosif Kelesidis accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, AvMed, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 4 other insurers list Iosif Kelesidis 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 Iosif Kelesidis affiliated with any hospitals?
According to CMS data, Iosif Kelesidis is affiliated with St Josephs Hospital, Lakeland Regional Medical Center, Adventhealth Tampa and Adventhealth Wesley Chapel.
When was this NPI record last updated?
The NPPES record for Iosif Kelesidis was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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.