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    James F. Leoni, MD

    Family Medicine

    Dr. Leoni's Overview

    Dr. Leoni graduated from the Creighton University School of Medicine in 1983. He works in Petaluma, CA and specializes in Family Medicine. Dr. Leoni is affiliated with Petaluma Valley Hospital.

    Dr. Leoni's Experience

    Years in Practice: 34

    Dr. Leoni's Specialties

    Family Medicine

    Dr. Leoni's Education & Training

    Medical School: Creighton University School of Medicine; Graduated 1983

    Dr. Leoni's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
    • View All Ratings

    Dr. Leoni's Accepted Insurance

    Please verify insurance information directly with your doctor's office as it may change frequently.

    • Aetna Choice POS II
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • Anthem BC Pathway X EPO Network
    • BC CA California Care Small Group HMO
    • BCBS Blue Card PPO
    • Blue Cross CA PPO Prudent Buyer Small Group
    • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
    • Blue Cross CA California Care Large Group HMO
    • Blue Cross CA Pathway X PPO
    • View More

    Dr. Leoni's Office Information & Appointments

    Office Locations

    Northern California Medical Associates
    NCMA Petaluma Family/Internal Medicine

    104 Lynch Creek Way Ste 10
    Petaluma, CA 94954
    (707) 782-9123


    Office Hours and Information

    Fax: (707) 782-9622

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 9:00 AM - 5:00 PM
    Tuesday 9:00 AM - 5:00 PM
    Wednesday 9:00 AM - 5:00 PM
    Thursday 9:00 AM - 5:00 PM
    Friday 9:00 AM - 4:00 PM
    Saturday Closed
    Sunday Closed

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    Dr. Leoni's Hospital Affiliations

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