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James Leoni MD

James Leoni MD

(707) 782-9123
Primary Specialties
  • Family Medicine
Medical Groups & Affiliations
  • St. Joseph Health Medical Group

Primary Office

104 Lynch Creek Way
Suite 10
Petaluma, CA 94954
(707) 782-9123
(707) 782-9622
Web Page:

Physician Bio

Dr. Leoni is a board-certified family medicine physician with more than 28 years of experience practicing medicine. He has practiced medicine in Sonoma County since 1999. Prior to coming to the region, Dr. Leoni worked in private practice. He has also served in the United States Navy as a General Medical Officer and Lieutenant Commander.

Dr. Leoni is a member of Northern California Medical Associates, and is on the medical staff at Petaluma Valley Hospital. He is a member of the American Academy of Family Medicine and the Sonoma County Medical Association.


Medical Education
Creighton University School of Medicine, MD

OB/GYN, U.S. Naval Hospital

Family Practice, U.S. Naval Hospital

Areas of Interest

Family Medicine, Family Practice