Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Jason Butler, MD

Individual provider Surgery Physician · NPI 1265724553

Dr. William Jason Butler, MD is a General Surgery in Camp Pendleton, California. Graduated from Louisiana State University School of Medicine in Shreveport in 2011, 15 years ago. Practices with Paul J Wisniewski DO Inc, a 19-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Virginia.

Years since qualifying
15
Trained at
Louisiana State University School of Medicine in Shreveport
Licensed in
CA, VA
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 Mercy Cir Dept OF Surgery
Camp Pendleton, CA 92055
Phone: (760) 725-1288
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 18523 Corwin Rd Ste A, Apple Valley, CA 92307-2300 — (909) 712-2764

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence A122410 (CA)
Surgery Physician Taxonomy 208600000X · Licence 0101258761 (VA)

Record details

NPI number1265724553
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 5, 2011
Last updated in NPPESSeptember 19, 2025
Certification dateSeptember 19, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT
Graduated 2011 (15 years in practice)
Group practice Paul J Wisniewski Do Inc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Camp Pendleton