Primary Care Clinic 3

Clinic 3 is staffed by a skilled team of physicians, nurse practitioners, nurses, and medical assistants dedicated to providing compassionate, comprehensive care. Whether you’re managing a chronic condition or just not feeling your best, Clinic 3 offers personalized support to help you stay healthy and thrive throughout your time at UHS.

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Name

Bio

A headshot of a female Nurse Practitioner

Rosemarie Bersabe, NP

Pronouns: She/her

Rosemarie Bersabe joined UHS in 2018 as a Nurse Practitioner in Primary Care. She received her BA in American Studies from UC Berkeley and her MSN-FNP from Samuel Merritt University. Before joining UHS, Rosemarie worked at the Indian Health Center in San Jose and the Tri-City Health Center in Fremont. She has a special clinical interest in health promotion and education, disease prevention, community health, and underserved populations.

Rosemarie is board-certified by the American Academy of Nurse Practitioners. 

Professional headshot of a woman smiling

Lauren Bosin, NP

earned a Bachelor’s degree in Public Health and Social Welfare from the University of California, Berkeley, and completed both a Bachelor of Science in Nursing and a Master of Science in Nursing at Samuel Merritt University.

Their clinical interests include sexual and reproductive health as well as gender-affirming care.

Melanie Deal

Melanie Deal, NP

Nurse Practitioner Supervisor

Pronouns: she/her

Melanie Deal joined UHS in 2014 as a Nurse Practitioner. She earned her Master of Nursing from UCSF with a specialty in sexual and reproductive health. She has a strong focus on contraception and sexually transmitted infections.

When she’s not in clinic, Melanie enjoys traveling and hiking.

Melanie is board-certified in Family Medicine by the American Nurses Credentialing Center and in Women's Health by the National Certification Corporation.

Professional headshot of a woman smiling

Diana Detwiler, MD

Pronouns: She/Her

Dr. Detwiler earned both their BA and MD from Northwestern University and completed their Family Medicine Residency at the University of Pittsburgh. They have a strong passion for preventive health, chronic condition management, and working closely with patients to develop personalized wellness plans.
A University Health Services physician is pictured.

Miriam Dunham, MD

Dr. Miriam Dunham joined UHS in 2021 as a physician in Primary care. Born and raised in Berkeley, CA, she received her BA in MCB here at Cal and received her MD at Drexel University Medical School in Philadelphia, PA. She completed her residency at Contra Costa Family Medicine at UC Davis. Later, she joined Kaiser Permanente in Oakland, where she started their Family Medicine Clinic. While in Oakland, Dr. Dunham also assisted in opening the Kaiser Student Health Center on the campus of Mills College. Dr. Dunham has a special interest in Lifestyle Medicine, which focuses on a person’s day-to-day behaviors such as a healthy diet, exercise, sleep, social connectivity, and stress reduction. 

Apart from work, Dr. Dunham enjoys spending time with her husband and their lovely, energetic twin girls. In addition to playing outdoors, they love making art projects, cooking, having dance parties, and sharing in laughter.

Dr. Dunham is certified by the American Board of Family Medicine.      

Leslie Gee

Leslie Gee, MD

Dr. Leslie Gee joined UHS in 2014 as a physician in Primary Care. She received her MD from the University of Chicago (2005) and completed her Pediatric residency at UCSF Benioff Children's Hospital Oakland (2008) followed by a fellowship in Adolescent Medicine at the Stanford University School of Medicine (2011). Before joining UHS, Dr. Gee worked in Adolescent Medicine at UCSF Benioff Children's Hospital Oakland and Lucile Packard Children's Hospital Stanford. She has a special clinical interest in eating disorders and adolescent medicine. 

Dr. Gee is board-certified in Adolescent Medicine and Pediatrics.     

Anna Harte

Anna Harte, MD

Medical Director

Pronouns: she/her

Dr. Anna Harte (née Bloxham) joined UHS in 2001. Dr. Harte was appointed Medical Director in January 2017 after serving as Associate Medical Director from 2011-2016. She received her BA in Music from UC Santa Cruz (1992), and her MD from Yale University (1998), and completed her residency in Primary Care Internal Medicine at UC San Francisco (2001).  

Dr. Harte has a special clinical interest in tuberculosis, HIV and infectious diseases, travel medicine, transgender health, and the care of underserved populations. She serves as a primary care provider on our UHS Trans Care Team and also consults for the City of Berkeley Public Health Division's Tuberculosis Program. Dr. Harte still loves music, which she shares with her husband Alexis and children Mia and Leo.  

Dr. Harte is certified by the American Board of Internal Medicine.     

Additional Languages: Danish, Swedish

Cathryn Imperato, DNP

Pronouns: She/her

Cathryn Imperato joined UHS in 2014 as a Nurse Practitioner in Primary Care and returned in 2022 after several years with a Primary Care Practice in San Francisco. She grew up in the Bay Area and received her BS in Physiology and Neuroscience and BA in Theatre Studies from UCSD (2001), her MSN in adult primary care and women's health from Yale University (2007), and her DNP from Northeastern University in Boston, MA (2011).

She has special interests and expertise in disordered eating, weight inclusive health care, reproductive and sexual health (including STIs, PEP/PrEP, and contraception), and mental health. She is certified in Nexplanon placement/removal and is a member of the UHS Eating Disorder team.

Cathryn is board-certified in adult primary care by the American Association of Nurse Practitioners and women's health care by the National Certification Corporation.

A Physician is pictured

Melissa Lemp, DO

Pronouns: She/her

Upon completing her undergraduate studies at the University of California, Davis, Melissa pursued her medical education at the Kansas City College of Osteopathic Medicine. Subsequently, she undertook her internship and residency at Mayo Clinic and the University of Minnesota, specializing in Pediatric and Adolescent Medicine. As a recipient of the National Health Service Corp Scholarship, she discharged her medical school debt through service at an underserved health care clinic in South St. Louis. This period was particularly demanding as her husband was a resident physician and they were raising three children.

Following this, they relocated to the apple country of Washington State before recently settling in California. Throughout her career, Melissa has been involved in community health clinics and has taken pleasure in educating medical students in both Washington State and California.

Her clinical expertise centers on older teenagers transitioning to young adults who are navigating the challenges of maintaining good health during their college or graduate school years and as they transition into the adult world. She provides medical support for issues such as anxiety, stress, eating changes, inattention, and substance use. Furthermore, Melissa possesses a deep understanding of the hormonal influences related to sexuality, which can impact dermatological, endocrinological, and sports medicine-related bodily changes.

Dr. Melissa Lemp is certified by the American Academy of Pediatric and Adolescent Medicine.

A Doctor is pictured

Hoki Min, MD

Pronouns: He/him

Dr. Hoki Min came to UHS as a retiree from Kaiser Permanente after serving for 27 years. He has a clinical interest in the evaluation of various manifestations of dermatitis (Dermatology). He published an article on the molecular weight determination of glycosaminoglycan including hyaluronic acid. 

Dr. Min likes to walk - both urban and nature walks. He also likes to study languages. He enjoys organizing community events like the benefit concert for Willow Clinic.   

Additional languages: Korean     

Janet Nunnally FNP

Janet Nunally, NP

Pronouns: She/her

Janet Nunnally joined UHS in 2019 as a Nurse Practitioner in Primary Care. She went to undergrad at Northwestern University and received her MSN from the MGH Institute of Health Professionals in Boston. Janet has a special clinical interest in women’s health, diabetes, and mental health. 

Nursing Team

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Photo

Bio

Maria Aiza Bautista, LVN

Charlotte Brooks, LVN

Angela Bonaventura

Angela Bonaventura, RN

Advice Nurse

Pronouns: She/her

Angela Bonaventura joined UHS in 2012 as a Registered Nurse in Urgent Care. She received her BA in Humanities from the New College of California and her associate's degree in Nursing from Chabot College. In addition to working at UHS, Angela volunteers on medical missions to support communities impacted by natural disasters.
A Registered Nurse is pictured

Favian Castro, RN

Pronouns: He/him/his

Favian Castro joined UHS in 2017 as a Primary Care Nurse. He previously served as a Case Manager RN at La Clinica in Vallejo and Clinic RN at Ole Heath in Napa. Favian earned his ASN from Solano Community College (2014) and his MSN from Touro University (2016). He has a clinical interest in health promotion/disease prevention, diabetes management, wound care, and sexual health.

Additional languages: Spanish 

Stephanie Deleon headshot

Stephanie Deleon-Valencia, RN

Stephanie Deleon-Valencia joined UHS in 2018 as a Primary Care nurse. She received her BS from Binghamton University (SUNY) and her BSN from Northeastern University. Stephanie has a special clinical interest in health promotion, public health, diabetes management education, and behavioral health. 

Additional languages: Spanish

A headshot of a female nurse

Monica Garcia, RN

Monica Garcia joined UHS in 2019 as a Registered Nurse in Primary Care. She received her BA from UC Berkeley and her MSN from UC San Francisco. Monica has a special clinical interest in reproductive rights.

Additional languages: Spanish 

A headshot of a female Nurse

Carmen Lee, RN

Pronouns: She/her

Carmen Lee joined UHS in 2016 as a Registered Nurse in Primary Care. She received her BS in Nursing from San Francisco State University. Carmen previously worked at Asian Health Services, a community clinic in Oakland. She's especially interested in learning more about women's health. 

Additional languages: Cantonese 

Professional headshot of a woman smiling

Gina Pearson, RN

Primary Care Nurse Manager

Pronouns: She/her

Gina joined UHS in 2024 as the Primary Care Nurse Manager. Gina completed her BSN from Cal State University, Fullerton and is a certified Public Health Nurse. In addition to her bachelors in nursing, she holds a bachelors in History from UC Davis. She previously served as the Nurse Manager and Infectious Disease RN at One Community Health in Sacramento, as a Reproductive Health Program Coordinator at Elica Health Centers, and a Clinic RN at Adventist Mendocino Coast. Prior to her career in nursing she worked as a Data Manager in cancer research and as a Director of Operations in sustainable business. She has a passion for community and public health, reproductive and sexual health, infectious disease, preventative care, diabetes management, and reducing health inequities.
A headshot of a female nurse

Jenny Stockford, RN

Advice Nurse

Pronouns: She/her

Jenny joined UHS as a Registered Nurse in 2003. She earned her degrees from UC Davis and Case Western Reserve University, holding a BA, BSN, and MSN. Her clinical interests include eating disorders and malnutrition, communicable diseases, suicide prevention, and addiction care.

Outside of work, Jenny enjoys staying active through tennis, pickleball, and soccer.

Additional languages: Spanish

Medical Assistants

Name

Photo

Bio

A headshot of a female Medical Assistant

Evelin Calderon

Pronouns: She/her

A medical assistant is pictured.

Monica Gonzalez

Pronouns: She/her

Monica Gonzalez joined the Primary Care Team in late 2021. She received her MA training at Kaiser Permanente School of Allied Health in Richmond, CA, where she also received certification as an ECG technician. Monica finds purpose by serving her community and underserved populations. While not at UHS, she enjoys exploring the outdoors, traveling to new destinations, and spending time with her family.

A Medical Assistant is pictured

James Kral

Pronouns: He/him

James earned his Medical Assisting certificate at Loma Vista Adult School in Concord. He also went to Diablo Valley College and took Anatomy and Physiology. James finds healthcare work rewarding because he can play a big part in helping patients get well. In his free time, James enjoys visiting family, reading books, listening to music, watching sports, and camping.  
A headshot of a female Medical Assistant

Mayra Magana

A medical assistant is pictured.

Aaron Moy

Pronouns: He/him

After graduating from UC Irvine with a bachelor's in Biological Sciences, Aaron studied medical assisting at San Francisco State University. Before joining UHS, he worked in a worker’s compensation and occupational health clinic. In his free time, he enjoys hiking with family, playing card games with friends, and discovering new teas to drink.

Mia Nunez