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About Us

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.

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.

Headshot of Stephanie Long

Stephanie Long, MD, FAAFP, MPA

Medical Director

Pronouns: she/her/hers
BA, Biochemistry and Molecular Biology, Dartmouth College 
MD, Columbia University Vagelos College of Physicians and Surgeons
MPA, Executive Program, Evans School of Public Policy & Governance, University of Washington 
Professional Affiliations:
California Academy of Family Physicians (CAFP)
American Academy of Family Physicians (AAFP)
World Professional Association for Transgender Health (WPATH) 
Society of Family Planning (SFP)
Professional Interests: I am a family medicine provider with an emphasis in sexual and reproductive health. In my years in practice, I have worked as a provider, leader, and designer in diverse environments such as academic medical centers, hospitals, large outpatient clinic practices, specialty family planning and gynecology clinics and in the digital healthcare space. I am passionate about empowering and partnering with patients to navigate their own journeys in health and wellness. I strive to create inclusive and affirming healthcare spaces. 
Hobbies/Self-Care: Outside of work, I enjoy spending time with my spouse as well as our friends and family. I'm an amateur but enthusiastic sailor who loves being on or near the water so you can find me near the ocean. On land, I love hiking and bike riding. I'm an avid reader and enjoy having a wonderful local public library nearby my house.  
Wellness Tip: Cultivate ways to move for joy and be outdoors.

Picture of John Tsai

John Tsai, MD


Pronouns: he/him/his
M.D. Thomas Jefferson Medical College 1989
B.A. Brown University 1985
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
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 Affiliations: American College Health Association
Professional Interests: 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.

Gloria Palomino

Gloria Palomino

Referral Coordinator

I am the Referral Coordinator for Student Wellness Services. Previously, I was a part of Caltech's Covid Management Team where I got to meet a wide array of people on campus every day. I am excited to continue meeting new people through this position. In my free time, I like to listen to music and take care of my many reptiles and insects at home.

Nari Shin

Nari Shin, PMP

Special Projects Manager

Nari Shin is the special projects manager. 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.

Karen Hernandez

Karen Hernandez

COVID Lead & Front Office Support

I am the COVID Management Team Lead and Front Office Support. Prior to Caltech, I was an early childhood educator for over 10 years. I am passionate about social justice and look forward to working in the public health field. I am an avid concert goer, love listening to music, spending time with friends and reading good books.

Randy Akasaka

Randy Akasaka

Surveillance Testing Coordinator

Mon - Fri
8:00 am - 5:00 pm
1239 Arden Rd.
Mail Code 1-8
Pasadena, California 91125
Fax(626) 585-1522