Dr. Tina R. Singh is the Cofounder and Medical Director of Serene Skin and Wellness Medspa in Fairfield, CA, where she blends her expertise in aesthetic medicine with a holistic approach to wellness. A board-certified family physician with over 15 years of experience, Dr. Singh’s passion for dermatology and plastic surgery is deeply personal—having overcome her own skin challenges, she understands the emotional impact of skin concerns. This empathy drives her commitment to providing personalized, cutting-edge treatments like Botox, laser skin correction, medical weight loss, and more, always with meticulous attention to detail and compassion.
Certified in Lifestyle Medicine, Dr. Singh believes lasting beauty starts with overall wellness, integrating nutrition, physical activity, and mental health into her practice. She is devoted to continuous learning and mastering the latest advancements, ensuring the highest quality of care. Outside her practice, Dr. Singh is a devoted mother of three, a culinary enthusiast, and an avid traveler who values humor, family, and cultural exploration. Her vision for Serene Skin and Wellness Medspa is to offer a sanctuary where clients experience transformation—healing both inside and out—guided by a philosophy rooted in excellence, mindfulness, and genuine care.
Neither John Muir Medical Group (JMMG), John Muir Health (JMH) nor the John Muir Physician Network (JMHPN) have any affiliation with this website or entity, or the products, practitioners, physicians, or services featured on this website or marketing materials. JMH, JMHPN and JMMG do not in any way endorse the products, practitioners, physicians, or services featured on this website or marketing materials.
Janibel Mandap is a dynamic, board-certified Physician Associate (PA-C) in California, deeply committed to using her expertise in dermatology and esthetics to help people look and feel their best. As the co-founder of Serene Skin and Wellness Medspa, she helped create a peaceful and serene space where patients receive cutting-edge skincare and wellness treatments tailored specifically for them.
A proud Bay Area native, Janibel earned her degree with honors from UC Berkeley and went on to earn dual master’s degrees in Physician Associate Studies and Public Health from Touro University. With over 12 years of combined experience in dermatology and aesthetics, she is passionate about transforming lives through skincare—a passion that began early in her career at a reputable San Francisco medical spa.
In 2024, Janibel made her dream a reality by co-founding Serene Skin and Wellness Medspa with her trusted friend and business partner, Dr. Tina Singh. Outside of the medspa, Janibel continues to practice dermatology part-time, staying at the forefront of medical advancements while nurturing meaningful patient relationships.
A devoted mother of three, Janibel values time with her family, as well as traveling and exploring new cultures. Fluent in both Spanish and English, she is passionate about serving her diverse community with compassion and making a meaningful difference wherever she goes. Janibel’s mission is clear: to positively impact the lives of those she serves by blending expert care with a personal touch.
