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AmyDaniher was born and raised in Kansas City. She graduated from  the University of North Carolina at Chapel Hilland the University of Kansas School of Medicine.  She completed her internship and residency in Internal Medicine and was honored as one of the best senior residents.  She is board certified in Internal Medicine. 

Dr. Daniher began private practice in San Mateo in 2001.  She initially was part of the Mills Peninsula Medical Group before she became an independent physician.  She has served as the medical director for several senior living communities on the Peninsula.  She is listed as one of the Top Doctors of 2019 by San Francisco Magazine.


Dr. Daniher enjoys working with patients of all ages, but especially her older patients.  She has a special interest in celiac disease and gluten intolerance.

Dr. Daniher is married and resides on the peninsula.  She has three children.  When not caring for patients she enjoys being outdoors, photography, gardening and North Carolina basketball.  

Professional Associations:

  •  American Medical Association

  •  San Mateo County Medical Association

  •  California Medical Association

  •  Private Practice Doctors of the Peninsula 

  •  Board Certified by the American Board of Internal Medicine in 1998, recertified in 2008




Shawna Guzman, Office Manager

Shawna was born and raised in the Bay Area.  She has been working for us as a medical assistant and an office manager since 2004.  A self-described “soccer-mom” and “baseball-mom,” she spends most of her free time chasing after her two young children.  In her free time, she cheers on the Giants and 49ers, and spends most vacations at Disneyland.




Michelle Martinez, Medical Assistant

Michelle was born and raised in Redwood City, but obtained her Medical Assistant degree while living in Florida for a year and a half.  She played soccer with great passion for 11 years, is still a huge 49ers football fan, and has an ongoing interest in music production.  She has been with our practice since the summer of 2013.




Barbara Grove, Medical File Clerk

Barbara was born in Washington, DC, but moved to the Bay Area as a child.  She has been working in the health care field for 40 years, both as a radiology technician and as a hospital file clerk.  Barbara joined our practice in early 2008.  Barbara loves music, dancing, and photography, but her true passion is for See’s Candies.