About Us

Student Health Services is committed to providing caring, compassionate, and cost effective health care and health promotion services that are specifically designed for the unique needs of our students.

Location and Hours

1239 Arden Rd.
Pasadena, CA 91125
(626) 395-6393

Hours of Service:
Monday - Friday
8:00am - 5:00pm
No appointments 12:00pm - 1:00pm
Closed on Institute Holidays

Meet the Team

Picture of Maria Lopez

Maria Lopez

Operations Director for Student Wellness Services

I am the Operations Director for Student Wellness Services and provide administrative support to the center's professional staff. My responsibilities are to do the many tasks required to keep the office running smoothly. I have a background in the medical field doing Administrative/Secretarial work and as a Surgical Scrub Tech. When I am not at work I enjoy spending time with my family.

Picture of John Tsai

John Tsai, MD


Pronouns: he/him/his
Education: B.A. Brown University 1985; M.D. Thomas Jefferson Medical College 1989
Professional Affiliations: North American Taiwanese Medical Association
Professional Interests: Young Adult Medicine
Hobbies/Self-Care: Marathon running
Wellness Tip: Health involves physical, mental, social and spiritual wellness. All of these aspects should be addressed.

Dr. John Tsai is a family medicine physician and has been in practice since 1992. He completed undergraduate studies at Brown University in 1985 and graduated from Thomas Jefferson Medical College in 1989. He completed a family medicine residency at Kaiser Permanente Fontana in 1992. He has worked for Kaiser Permanente, Claremont Colleges and California State University at Pomona. He has a special interest in young adult medicine and desires to contribute to their academic success helping students stay healthy.

Picture of Divina

Divina Bautista, RN, MN, FNP

Nurse Practitioner

Pronouns: she/her/hers
Education: BSN degree from Saint Louis University, Master of Nursing from the University of the Phillippines, Post Grad Family Nurse Practitioner from the University of Southern California. Her nursing background prior to Caltech was in nursing research, education, patient care, and management.
Professional Affiliation: American College Health Association
Professional Interest: Transcultural Health Care. She volunteers at various free clinics for the underserved population in Los Angeles.
Hobbies/Self-Care: Solitude for the soul, and traveling for physical, mental, and emotional well-being. She relishes the various cultures in music, dance, and food.
Wellness Tip: "When health is absent, wisdom cannot reveal itself, art cannot manifest, strength cannot fight, wealth becomes useless, and intelligence cannot be applied" - Herophilus 335 BC

Picture of Edie

Edith Montes

Medical Assistant

I am a medical assistant and phlebotomist. I've been in the medical field since 1989, working in private practice, community-based clinics, and the California Correctional Facility before coming to Caltech. On the weekend, I enjoy spending time with my family and grandchildren.

Christian Paraguya

Christian Paraguya

Licensed Vocational Nurse

I am a licensed vocational nurse. I've worked previously in a small community clinic and in an Alzheimer's and dementia unit. I look forward to representing Caltech to the fullest and getting to grow within the community. When I'm not at work, I enjoy spending time with my family, traveling, and gaming.

Brandy Ottolino

Brandy Ottolino

Referral Coordinator

I am the Referral Coordinator for Student Health and Counseling Services. I have a background in the medical field managing provider relations, insurance administration/verification and patient support. When I am not at work I enjoy spending time with my husband, family, and our fur baby Jake. Baking and home decor are also passions of mine.

Nari Shin

Nari Shin, PMP

Special Projects Manager

Nari Shin is the project manager of the COVID-19 Management Team. Prior to coming to Caltech, she worked at UC San Diego, providing administrative support to departments, scholars, staff advisors, and the director. Working at an international office, she is well-versed in cross-cultural communication and loves working with students and departmental contacts from all backgrounds. In her free time, Nari enjoys serving the youth and children, volunteering at developing countries, and spending time with her community.

Stacy De La Torre

Stacy De La Torre

Office Assistant for Student Wellness Services

I am the Office Assistant for Student Wellness services. I am happy to be a part of Caltech, to work with wonderful people who help support and bring our Caltech community together. My professional background has allowed me to wear many hats to naturally fulfill the everyday administrative tasks.

Mon - Fri
8:00 am - 5:00 pm
1239 Arden Rd.
Mail Code 1-8
Pasadena, California 91125
Health (626) 395-6393 | Counseling (626) 395-8331
(626) 585-1522