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Location / Staff
Technology Update

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(650) 994-3410

333 Gellert Blvd., Suite 118, Daly City, CA 94015

(650) 994-3410

333 Gellert Blvd., Suite 118
Daly City, CA 94015
Phone: (650) 994-3410
Email: hsdc333@sbcglobal.net 

Monday–Friday: 9 a.m. – 5 p.m.

General Information
Hearing Science of Daly City  |  (650) 994-3410

Home  | Products & Services | Location/Staff  |  Technology Update


Marcia Raggio, Ph.D.Hearing Science of Daly City has been providing audiology and hearing aid services for adults and children since 1997. We are owned by Marcia Raggio, Ph.D., FAAA, who has been an audiologist and hearing aid dispenser for 28 years. We offer free consultations, so don’t delay to contact us about your needs.

Services & Products
  • Comprehensive Hearing Evaluations
  • Largest Selection of Digital Hearing Aids in Every Style
  • Hearing Systems for Every Budget
  • Hearing Aid Repairs
  • Musician’s Earplugs, Sleep Plugs and Swim Molds
  • Assistive Listening and Alerting Devices
  • Free Consultations
  • Licensed by the Speech-Language Pathology and Audiology Board and the Hearing Aid Dispensers Bureau
  • Payment Plans Available
Hearing Science of Daly City is a BBB Accredited Audiologist in Daly City, CA
Medicare, Medi-Cal, Most Insurance Plans Accepted • 45-Day, Full-Refund Policy
About Us