Clinicians affiliated with Global Physician Network LLC Series I

39 clinicians on file with this group · most practice in North Port-Bradenton-Sarasota, FL · PAC ID 7214202365

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

38 clinicians affiliated with Global Physician Network LLC Series I are in the 2024 Medicare Part B data, 31 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Emergency Medicine (29) · Nurse Practitioner (6) · Family Practice (1) · Pediatric Medicine (1) · Physician Assistant (1)

Specialty links go to the specialty in North Port-Bradenton-Sarasota, FL.

Clinicians affiliated with Global Physician Network LLC Series I, 2024

Alphabetical by last name; 38.

NameSpecialtyCity
Julio M Arrieta, M.D.Emergency MedicineWinston Salem, NC
Amanda Barnett-Mclean, ARPNNurse PractitionerSarasota, FL
Bryan P Berry, M.D.Emergency MedicineDuluth, MN
Lauren Brue, ARNPNurse PractitionerSarasota, FL
Kevin Casebolt, MDEmergency MedicineCleveland, OH
Rafael J De La Puente, MDEmergency MedicineWorcester, MA
William A Downes, M.DEmergency MedicineLutz, FL
Katon Floyd, M.D.Emergency MedicineChicago, IL
Marshall A FrankEmergency MedicineTampa, FL
Sagar C Galwankar, MDEmergency MedicineDade City, FL
Rose-Valentine A Goncalves, MDEmergency MedicineFpo, AP
Ashley A Grant, D.O.Emergency MedicineSarasota, FL
Christopher W Gray, ARNP-FNPNurse PractitionerSarasota, FL
Kathryn M Huntz, ARNPNurse PractitionerSarasota, FL
Mark C Johnson, MDEmergency MedicineSarasota, FL
Steven W Kamm, MDEmergency MedicineSarasota, FL
David Krahm, D.O.Emergency MedicineSarasota, FL
Andrew M Kropp, MDEmergency MedicineTampa, FL
Joseph S Lesnick, M.D.Emergency MedicineNew Braunfels, TX
Kimberly S Macdermott, APRNNurse PractitionerNorth Conway, NH
Talor E Matthews, M.D.Emergency MedicineTampa, FL
Kelly P O'Keefe, M.D.Emergency MedicineTampa, FL
Chandra R Parsley, DNP, APRNNurse PractitionerArcadia, FL
Christopher T Patricoski, M.D.Family PracticeAnchorage, AK
Tamas R Peredy, MDEmergency MedicineBlue Hill, ME
Cynthia S Post, PA-CPhysician AssistantTampa, FL
Jeremy M Price, MDEmergency MedicineTampa, FL
Mary E Roberts, DOEmergency MedicineSarasota, FL
John W Ruffin, MDPediatric MedicinePhiladelphia, PA
Colleen F Shank, D.O., MPHEmergency MedicineSarasota, FL
Mark A Shank, D.O.Emergency MedicineSarasota, FL
April A Silva, MDEmergency MedicineGlen Cove, NY
Ryan S Snitowsky, M.D.Emergency MedicineNaperville, IL
Sarah TempleEmergency MedicineSarasota, FL
Tara L Wendt, MDEmergency MedicineStony Brook, NY
Alexander Williams, MDEmergency MedicinePhoenix, AZ
Brett T Williams, M.D.Emergency MedicineBuffalo, NY
Sara A ZagrobaEmergency MedicinePlantation, FL

Practice locations

Listed practice locations in Florida.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations