Dr. William C Koonce MD

Doctor
4.8

4 reviews

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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

Address

219 Nogales Ave # B
Santa Barbara, CA 93105

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Information last updated: August 23, 2026