County of Marin Health and Human Services

Prima Medical Foundation - Greenbrae Breast Surgical Oncology & Gynecologic Surgery

Information on Service Adjustments During the COVID-19 Emergency

HHS is the County’s largest department with more than 700 employees who work at many sites throughout Marin. Many HHS offices have reopened with limited staffing to the public. Staff will continue to provide services remotely when possible for safety reasons, and residents in need of HHS services should consider conducting conversations over the phone or email when possible. Please call ahead if you have an appointment or require in-person assistance.

  • Adult Protective Services: (415) 473-2774.
  • Skilled Nursing/Assisted Living Ombudsman: (415) 473-7446.
  • Child Protective Services: (415) 473-7153.
  • Public Assistance Call Center (Medi-Cal, CalFresh, CalWorks): 1 (877) 410-8817.
  • General Relief: (415) 473-3450.
  • Behavioral Health and Recovery Services Access Line: 1 (888) 818-1115.
  • For information on resources and services specifically for older adults (persons 60+), persons with disabilities and family caregivers, call (415) 57-INFO (415) 457-4636 or email
  • HHS created a phone hotline, (415) 473-7191 (CRS 711), and an online contact form, for residents to contact staff with questions or concerns about the virus and about the county and community response. The call center is open from 9:30 a.m. to noon and 1 to 5 p.m. weekdays, and interpreter services are available.
  • Dial 711 for CA Relay Service (link is external)


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Prima Medical Foundation - Greenbrae Breast Surgical Oncology & Gynecologic Surgery

Your breast health is our first priority.
For many women, breast health is a source of significant concern and anxiety. We are committed to providing you with comprehensive, state-of-the-art breast surgical care, as well as the personal attention to help you understand each step in your care. Whether you are confronting a breast cancer diagnosis, or addressing other breast health concerns, you will find outstanding surgical evaluation and treatment in a supportive environment.
Our affiliation with the Marin Cancer Institute allows us to provide integrated, multidisciplinary breast cancer care. Each patient has access to a team of exceptional cancer specialists, as well as current clinical trials, and is guided through their treatment by a personal Breast Care Nurse Navigator. We incorporate complementary therapies and an integrative, woman-centered approach while providing evidence-based, cutting-edge care. We look forward to working with you!


(415) 842-5150


(415) 924-1375


1350 South Eliseo Drive
Suite 300
Greenbrae, CA 94904