University of California San Francisco
Helen Diller Family Comprehensive Cancer Center

Nutrition Counseling and Workshops

Greta Macaire, cancer nutritionist

If you are a UCSF cancer patient and would like to meet with a dietitian on a one-on-one basis, please contact your UCSF oncology practice directly for a referral and scheduling. For general information about our Nutrition program, call 415-502-5547. The services are open to UCSF cancer patients at no charge, although donations are appreciated.

A dietitian is available Monday through Friday between 9 am and 4:30 pm at both the UCSF Mt. Zion and UCSF Mission Bay campuses.

Greta Macaire and Lisa Ploss, UCSF

Greta Macaire and Lisa Ploss


Greta Macaire, MA, RD, CSO
UCSF Mount Zion
1600 Divisadero Street, Room B-101

UCSF Mission Bay
Bakar Precision Cancer Medicine Building
1825 4th Street, 4th and 5th Floors

Questions that the dietitian may address include:

  • General guidelines for balanced nutrition
  • Nutrition guidelines for specific cancers
  • Issues during radiation or chemotherapy
  • Coping with nausea and appetite problems
  • Difficulty with swallowing or eating
  • Problems with constipation or diarrhea
  • Food safety during cancer treatment
  • Supplements
  • Weight management
  • Metabolic testing - indirect calorimetry

To schedule an appointment with Greta Macaire or Lisa Ploss, please contact the UCSF oncology practice where you are being seen.

Nutrition Seminars

Greta Macaire and Lisa Ploss present nutrition workshops and seminars for the general public. Topics include prostate cancer and nutrition, nutrition during radiation and/or chemotherapy treatment, dietary supplements, phytonutrients, plant-based diets, and truths & myths of nutrition and cancer. (Topic suggestions welcomed.)

The Resource Center also offers periodic nutrition workshops and demonstration-style cooking classes. (See box at right.) Additional information on nutrition can be obtained through the Resource Center Library book collection, pamphlets, and other written materials.

Seminars and workshops are presented at the UCSF Helen Diller Family Comprehensive Cancer Center, 1600 Divisadero St., in San Francisco. For upcoming events, visit our Patient Events page. For information about upcoming seminars and to register, call 415-885-3693 or email

from Patient Education Resources