HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / FL

TAMMY S MACKIEWICZ

NURSE PRACTITIONER

Graduated: 2011

NPI: 1790054252

Practice Locations (3)

FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC

14100 FIVAY RD, SUITE 380

HUDSON, FL 346677181

7278629026

FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC

1396 WHISPER CIR

SEBRING, FL 338701204

8633851244

FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC

9320 STATE RD, SUITE 54

TRINITY, FL 346551808

7278428411

Source: CMS National Downloadable File, September 2026.