Medical

A medical examination room with a countertop, cabinets, a hospital bed with pillow, a clock, and medical supplies.

"Wherever the art of medicine is loved, there is also a love of humanity."

MACT Health operates medical clinics throughout Mariposa, Amador, Calaveras, and Tuolumne counties, serving as essential primary healthcare centers for these communities. Our clinics offer a wide range of medical services, including pediatrics, physical exams, and care for both acute and chronic illnesses, alongside general family medicine. We emphasize providing accessible and comprehensive medical attention to address the diverse health needs of community members, all delivered in an environment that respects cultural values and traditions.

The dedicated medical doctors and healthcare professionals at MACT Health are committed to delivering high-quality medical care and ensuring that patients receive the attention and treatment they need for their health concerns. The MACT Health Board is focused on continuously improving the patient experience and enhancing the quality of our medical services, striving to remain a trusted provider of essential healthcare in the Sierra Nevada region of California.

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Meet Our Medical Experts

  • A smiling male doctor in a white lab coat sitting in an office with framed certificates on the wall behind him.

    Dr. Robert Reina

    Medical Director - MACT Sonora Medical

  • A female doctor wearing a white coat standing in a medical examination room, with medical equipment and an exam table in the background.

    Dr. Chrystal Bradley - OBGYN

    MACT - Sonora Women’s Health

  • An older woman doctor wearing glasses, a maroon medical uniform, and a white lab coat with a stethoscope around her neck, smiling and sitting in a room with a window in the background.

    Dr. Deborah Wong

    MACT - Medical Sonora

  • A male nurse standing in a hospital room, wearing pink scrubs and smiling at the camera.

    Dr. Christopher Jones

    MACT - Sonora Women’s Health

  • A smiling woman in medical scrubs sitting in a healthcare setting with medical equipment in the background.

    Dr. Elisabeth Siegler

    MACT - Medical San Andreas

  • A smiling male healthcare professional in navy scrubs standing with arms crossed in a medical examination room, with medical equipment on the wall behind him.

    Dr. Gabriel Pettersen

    MACT - Medical San Andreas

  • A male healthcare professional sitting in a clinic, wearing a blue medical coat with a name badge, in a medical office setting.

    Dr. Ravinder Kadevari

    MACT - Medical Mariposa

  • A cheerful male doctor with gray hair, wearing a white coat and a stethoscope around his neck, standing in a medical office or clinic.

    Dr. Walter Johnson

    MACT - Medical Ione

  • Smiling male doctor in a white coat sitting in a medical clinic with medical equipment in the background.

    PA - Jorge Rodriguez

    MACT - Sonora Medical

  • A smiling male doctor standing with arms crossed in a medical office or hospital room.

    PA - Ryan Salt

    MACT - Sonora Medical

  • PA - Benjamin Rogness

    MACT - Medical Jackson

  • A smiling male doctor with a stethoscope around his neck sitting in a medical office.

    PA - Georgi Cholakov

    MACT - Medical Mariposa

  • An older woman with short white hair, wearing pink glasses, a colorful patterned blouse, pearl earrings, and a stethoscope around her neck, sitting in a black office chair in an office or clinic setting.

    FNP - Catherine Sullivan

    MACT - Medical Jackson

  • A male healthcare professional with gray hair, a beard, and glasses sitting in a medical examination room, wearing navy blue scrubs.

    FNP - Steve Acuna

    MACT - Sonora Medical

  • A smiling woman medical provider standing in a medical clinic exam room

    FNP - Linda Colliflower

    MACT - Medical Jackson