Clinicians affiliated with Paul J Wisniewski DO Inc

19 clinicians on file with this group · most practice in Riverside-San Bernardino-Ontario, CA · PAC ID 5092240606

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

16 clinicians affiliated with Paul J Wisniewski DO Inc are in the 2024 Medicare Part B data, 15 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 · General Surgery (9) · Orthopedic Surgery (3) · Critical Care (Intensivists) (2) · Nurse Practitioner (1) · Vascular Surgery (1)

Specialty links go to the specialty in Riverside-San Bernardino-Ontario, CA.

Clinicians affiliated with Paul J Wisniewski DO Inc, 2024

Alphabetical by last name; 16.

NameSpecialtyCity
Ibrahim W Azer, MDGeneral SurgeryMerced, CA
William J Butler, M.D.General SurgeryCamp Pendleton, CA
Ghazali A Chaudry, M.D.General SurgeryEwing, NJ
Stephen A De Santis, MDGeneral SurgeryMadera, CA
Alison M Fecher, MDGeneral SurgeryFort Wayne, IN
John N Harker, DOOrthopedic SurgeryLargo, FL
Jared L Harwood, M.D.Orthopedic SurgeryWorthington, MN
Andrew Mccague, DO, FACOS, FACSCritical Care (Intensivists)Riverside, CA
Tristan Mele, DOOrthopedic SurgeryOgden, UT
Brian Patterson, MD, MPHGeneral SurgeryApple Valley, CA
William R Peery, MDGeneral SurgeryFort Wayne, IN
Billy R Preece, NP-CNurse PractitionerFort Wayne, IN
Milton Retamozo, MDVascular SurgeryColton, CA
Tracy A Taggart, M.D.General SurgeryApple Valley, CA
Paul J Wisniewski, D.O.Critical Care (Intensivists)Apple Valley, CA
David T Wong, MDGeneral SurgeryColton, CA

Practice locations

Listed practice locations in California.

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