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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Melissa Rosin, MD

  • Pediatrics
    (Board Certified)
Additional Language Spoken
Spanish, English
1451 Irvine Boulevard
Tustin, CA 92780
Accepting New Patients

Primary Office

1451 Irvine Boulevard
Tustin, CA 92780
Get Directions
(714) 838-8878
(714) 838-8988

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Pediatrics
      (Board Certified)
    Areas of Interest

    Skin Eruptions
    Pediatric Warts
    Newborn Care
    School Physical Examinations
    Allergic Rhinitis
    Skin Diseases

  • Biography


    Areas of Expertise
    As a teenager, Mellissa J. Rosin, MD spent many summers working at a day camp with children. Subsequently, she chose a career in pediatrics to combine her interest in science with her love of children. She especially enjoys the continuity of care that pediatric medicine allows in caring for patients from infancy though adolescence, as well as the connection and friendships she shares with their parents. Dr. Rosin received her medical degree fro Pennsylvania State University College of Medicine in Hershey, Pennsylvania. She then competed a pediatrics residency at the Children?s Hospital of Orange County in Orange, California. She is board certified in pediatrics. Today, Dr. Rosin maintains interest and expertise in a wide range of topics, including pediatric dermatology, allergies and asthma. When she?s not working, Dr. Rosin enjoys kick-boxing, dancing, crafts and spending time with friends.