Dr. William C Koonce MD
About This Business
Dr. William C. Koonce, MD, practices internal medicine in Santa Barbara, California, with 41 years of experience since graduating from the University of California, Irvine, College of Medicine in 1985, above the 30-year average among the 107 Santa Barbara doctors in our directory. He is one of 25 internal medicine physicians in our listings, with diagnostic radiology also listed among his specialties. His Medicare profile lists removal of skin lesions and melanoma excision among his most frequent services. Affiliated with Santa Barbara Cottage Hospital, Goleta Valley Cottage Hospital, and Santa Ynez Valley Cottage Hospital. In MIPS, the federal program scoring Medicare clinicians on quality and cost, he holds 93 out of 100. Telehealth is not listed among his services. Patients rate him 4.8 across 4 reviews.
Verified Provider Info
- Specialty (per registry)
- Internal Medicine
- NPI Number
- 1124010095
- Medical school graduate
- 1985 (41+ years of practice)
- Medical school
- UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
- State license
- G58414 (CA)
- Hospital affiliations
- Santa Barbara Cottage Hospital · Goleta Valley Cottage Hospital · Santa Ynez Valley Cottage Hospital
- Quality score (CMS MIPS)
- 92.8/100
- Common services (Medicare data)
- Removal of skin lesions · Melanoma (skin cancer) excision
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
Phone
(805) 682-7200Location on Map
Map data © Google. Loading this map may set cookies from Google. See our Cookie Policy and Privacy Policy.
Information last updated: August 23, 2026
More Doctor Businesses
View allNearby doctor businesses
Closest listings to this location, by real distance.