Summary

Dr. William Koonce is an internal medicine physician who has dedicated over four decades to caring for patients in the Santa Barbara community. He earned his medical degree from the University of California Irvine College of Medicine and completed his residency training at Santa Barbara Cottage Hospital. With 41 years of clinical experience, Dr. Koonce brings extensive knowledge to his practice of internal medicine. He speaks English, Spanish, and Italian, allowing him to communicate effectively with diverse patient populations.

Dr. Koonce practices at Santa Barbara Cottage Hospital, Goleta Valley Cottage Hospital, and Saint Johns Regional Medical Center, all located in Santa Barbara, California. He specializes in managing cardiovascular conditions such as high blood pressure and high cholesterol. His expertise includes performing heart rhythm tests and joint procedures when patients need fluid removal or medication injections for joint pain. Patients have given Dr. Koonce an average rating of 4.1 out of 5 stars, reflecting their confidence in his care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 41 years of experience
  • speaks English, Spanish, Italian
  • Santa Barbara Cottage Hospital
  • 5 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 3 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. William Clark Koonce has 3 locations

Koonce William Office

219 Nogales Ave Ste BSanta Barbara, CA 93105
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Goleta Valley Cottage Hospital

351 S Patterson AveSanta Barbara, CA 93111

Santa Barbara Cottage Hospital

400 W Pueblo StSanta Barbara, CA 93105

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Dr. William Clark Koonce, MDKarthikeyan Viswanathan, DODr. Dr. Adama Diarra, DODr. Dr. Daniel Benhuri, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
41 Years of Experience 12 Years of Experience 14 Years of Experience 8 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish, Italian Speaks English, Tamil Speaks English, French, Bambara Speaks English
Santa Barbara , CAPalo Alto , CATigard , ORBeverly Hills , CA
Med School: University Of California Irvine College Of Medicine Med School: Bassett Medical Center - Cooperstown, New York Med School: Arizona College of Osteopathic Medicine Med School: Icahn School of Medicine at Mount Sinai
Current Profile
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Insurance Plans Accepted by Dr. William Clark Koonce

  • Accepts Medicare

Medical Specialties

Dr. William Clark Koonce has the following specialty

Specialty Expertise

Dr. William Clark Koonce has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

41 Years Experience

Dr. William Clark Koonce holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Santa Barbara Cottage Hospital.

Medical School

Graduated from University Of California Irvine College Of Medicine in 1985.

NPI Number

Dr. Koonce's NPI number is 1124010095.

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Frequently Asked Questions

Which hospitals is Dr. William Clark Koonce affiliated with?
Dr. William Clark Koonce is affiliated with Santa Barbara Cottage Hospital, Goleta Valley Cottage Hospital, and Saint Johns Regional Medical Center.
Does Dr. William Clark Koonce accept virtual/telehealth appointments?
Dr. William Clark Koonce has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. William Clark Koonce?
You can find contact information for Dr. William Clark Koonce here on Vitals.
Does Dr. William Clark Koonce accept my insurance?
You can see the insurance plans that Dr. William Clark Koonce accepts on their Vitals profile.
What languages does Dr. William Clark Koonce speak?
Dr. William Clark Koonce speaks English, Spanish, and Italian.

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