Staff

  • Steven Machtinger

    Dr. Machtinger graduated from the University of Pittsburgh School of Medicine. He completed residency training in Pediatrics and fellowship training in Allergy and Immunology at Stanford. He is board-certified by the American Boards of Pediatrics and of Allergy, Asthma, and Immunology. He is a fellow of the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma, and Immunology. He is the current president of the Allergy, Asthma and Immunology Foundation of Northern California. An adjunct clinical associate professor of Pediatrics at Stanford, he is a recipient of the Volunteer Clinical Faculty Award from the American Academy of Allergy, Asthma, and Immunology. Dr. Machtinger has contributed research articles to peer-reviewed journals and review chapters to allergy textbooks. He is a frequent lecturer to medical professionals and interested lay groups.


    Dr. Machtinger is available to see patients Mondays-Wednesdays. 

  • Dean Kardassakis

    Dr. Kardassakis, a native of San Francisco, is a board-certified allergist and an associate of the practice. He is also board-certified in internal medicine. He is a fellow of the American Academy of Allergy, Asthma, and Immunology and of the American College of Allergy, Asthma, and Immunology. He is a graduate of the University of Nevada School of Medicine. Dr. Kardassakis completed his fellowship in allergy at UCSF.


    Dr. Kardassakis is available to see patients Mondays, Wednesdays, Thursdays, and Fridays.

  • Vivian Saper

    Dr. Vivian Saper, M.D., received her medical degree at George Washington University. She completed pediatric residency training at Stanford and fellowships in allergy/immunology at UCSF and pediatric rheumatology at Stanford. She is board-certified in pediatrics, allergy & immunology, and pediatric rheumatology. For many years Dr. Saper taught and practiced pediatric allergy and immunology at Lucile Packard Hospital at Stanford. She has been associated with this practice since 2010.


    Dr. Saper is available to see patients on Tuesdays. 

Our Location

Office Hours

Monday:

8:00 am-12:00 pm

2:00 pm-4:30 pm

Tuesday:

8:00 am-12:00 pm

2:00 pm-4:30 pm

Wednesday:

8:00 am-12:00 pm

2:00 pm-4:30 pm

Thursday:

8:00 am-12:00 pm

2:00 pm-4:30 pm

Friday:

Telehealth only with Dr. Kardassakis

Saturday:

Closed

Sunday:

Closed