Compassionate, Accessible Healthcare
for Your Family
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Our mission is to care for the medical needs of our community, either with or without insurance. We offer full-service, comprehensive primary care to infants, children, and adults.

About Us

Immaculate Heart of Mary Family Health Center

Welcome to Immaculate Heart of Mary Family Health Center, where we specialize in a wide range of primary care services for families in and around Chandler, AZ. Led by Dr. Charles Armstrong and Dr. Margaret Hart, our team is dedicated to caring for patients of all ages in a way that is driven by a deeper purpose to serve those in need. We offer high-quality healthcare in a friendly, personal, and responsive setting.

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Services

Comprehensive Care for Your Needs

At Immaculate Heart of Mary Family Health Center, we offer numerous primary care services to minimize your risk of developing a disease, as well as acute care, should you experience a minor illness or injury. We believe that taking a preventive approach to treatment is the best way to keep families safe and healthy.

Meet

Dr. Armstrong

Dr. Charles Armstrong is a board-certified family physician in Chandler, AZ, who obtained his Doctorate of Osteopathic Medicine from A.T. Still University. He went on to complete his residency training at Via Christi Family Medicine in Wichita, KS. He was born and raised in Tempe, and graduated from ASU.

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Meet

Dr. Hart

Dr. Hart joined Immaculate Heart of Mary Family Health Center in 2022. Dr. Hart is a professed member of the Religious Sisters of Mercy of Alma, MI, and a fellow of the American Academy of Family Medicine. She earned her Doctorate of Osteopathic Medicine from Oklahoma State University in 2006, and completed a residency in family medicine, as well as a fellowship in geriatrics, at Sparrow Health System/Michigan State University. With a love of serving others, Dr. Hart is committed to providing compassionate care.

Meet

Marissa

Marissa Kellogg is a board-certified Psychiatric-Mental Health Nurse Practitioner (PMHNP). She grew up in Phoenix, Arizona and graduated with her first Bachelor’s of Science degree in Physiology from the University of Arizona.

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Please help us continue to provide ethical, comprehensive, and faith-based primary care to the underserved in our community. Thank you.

*Individual results are not guaranteed and may vary from person to person. Images may contain models.