Altheda Medical Center Meet Our Clinical Team

Steven Twan, MD, MHCDS Medical Director

Steven has nearly 40 years of experience practicing primary care medicine, during which time he started clinical education and training at the University of Pittsburgh Medical Center (UPMC) Mercy Hospital. Steven is actively involved in various clinical research and trials as a principal investigator and education with his professorship and teaching experience at Yale School of Medicine, Lake Erie College of Osteopathic Medicine, UPMC, Carlow University, Duquesne University, West Chester University, and the Chatham University of Pittsburgh. At Altheda Medical Center, Steven oversees the clinical workflow and ensures quality healthcare delivery. Outside of the clinical setting, Steven enjoys gardening, culinary arts, and world travels.

Leslie Loberant, MD Family Medicine Physician

Leslie has been a family physician in Pennsylvania for over 23 years. She moved to the state in 1994 after receiving her BS in Biology/Chemistry with honors from Keene State College in New Hampshire. She attended Jefferson Medical College of Thomas Jefferson University in Philadelphia, completed a Scaife summer fellowship in Pittsburgh in addiction medicine, traveled to Uganda to practice hospice care, and achieved her medical degree with an Honorable Mention for the E. Harold Hinman Memorial Prize for extraordinary interest and accomplishment in family medicine. Upon graduation, she completed a 3-year residency in family medicine at Abington Memorial Hospital. Leslie has worked in the traditional outpatient office setting, urgent care, as well as in telemedicine most recently, seeing patients of all ages. She has enjoyed taking time to raise 2 children with her husband, a pediatrician, and spending time with her 100-year-old grandmother on many adventures. She enjoys adolescent medicine as well as travel, nature excursions, and forever learning new things.

Cheryl Lindsey, CRNP Lead Nurse Practitioner

Cheryl is an Acute Care Nurse Practitioner (subspecialty in Oncology) with 38 years of nursing experience throughout a variety of acute care and oncology settings. In 1998, Cheryl received her Master’s degree from the University of Pittsburgh School of Nursing. She has lectured nationally and locally on an extensive list of topics. Cheryl is a co-Investigator on numerous Novartis and Icagen studies for the treatment of Sickle Cell Anemia. She has received numerous honors throughout her career which includes Bone Marrow Transplant Nurse of the Year: (Western Pennsylvania Hospital), Primary Care Nurse Exemplar Award: (Shadyside Hospital) and Mamie O. Garland Award: (Chi Eta Phi Nursing Society). Cheryl is an active member of Sigma Theta Tau Nursing Honor Society (Eta Chapter) and Society of Clinical Research Associates. Outside of work, Cheryl enjoys international world travel and spending quality family time with her sons and three grandchildren.

Diana Zhou, DNP, RN Nurse Practitioner

Diana grew up near Boston, Massachusetts, and relocated to Pennsylvania to attend the University of Pittsburgh where she received her Doctorate of Nursing Practice and Bachelor of Science. She earned her BSN and began her career at UPMC Presbyterian, working with the heart/lung transplant and artificial heart team. Diana later returned to the University of Pittsburgh to complete her DNP, specializing in pediatric primary care. She is passionate about serving her community, particularly through preventive health care, health education, and patient advocacy. At Altheda, Diana aims to empower children and their families with the knowledge and confidence to manage their health effectively. She enjoys painting, baking, playing tennis, and spoiling her dog in her free time.

Yeon Kim, DMSc, MPH, PA-C, CAQ-Psy Psychiatric Specialist

Yeon Kim’s educational background includes a Doctor of Medical Science degree with a Psychiatry concentration from Rocky Mountain University of Health Professions and a Master of Medical Science and Public Health from Arcadia University. His clinical background consists of primary care and behavioral health/psychiatry. Yeon’s passion for psychiatry started during the pandemic while working in the primary care office. Ever since transitioning to psychiatry, he has dedicated education and clinical skills to improving the general population’s mental health. Yeon has experience working in different psychiatric clinical settings, including Crisis Center, Inpatient Behavioral Unit, and Outpatient Clinic. His holistic approach to mental health care is deeply influenced by his diverse experiences and personal interests, allowing him to connect with patients on multiple levels. Outside of his professional endeavors, he enjoys exploring new destinations through travel and maintains an active lifestyle by running.

Dane Darnell, PA-C Psychiatric Specialist

Dane is a Psychiatric Physician Assistant with several year’s experience in working in the outpatient and hospital/consultation setting, conducting psychiatric evaluations as well as follow-up medication management for those with ongoing mental health issues. He works with the entire spectrum of mental health including depression/anxiety disorders, OCD, PTSD, ADHD, bipolar disorders, schizophrenia, as well as dual diagnosis mental health with substance use disorders. While Dane sees all patients 18 and older, he also has worked in inpatient geropsychiatry seeing patients 55 and older helping to stabilize their acute mental health issues. Dane is an avid music lover and typically spends his free time either hiking or playing guitar.

Ingrid Wang Medical Assistant I

Ingrid is a Medical Assistant at Altheda and attends the University of Pittsburgh, studying biological sciences and pursuing a medical degree. Her professional interests include gaining more knowledge in oncology and immunology, as her ultimate goal is to work in the field of biotechnology. However, Ingrid is curious about all things medicine-related! Ingrid is so eager to learn and work alongside colleagues at AMC. As a Medical Assistant, Ingrid takes patient vitals and triages them, preparing patients for their visit with the doctor. Outside of work, Ingrid loves to explore new places to eat.

Aaron Kim Medical Assistant I

Aaron Kim is a medical assistant at Altheda Medical Center and a student at the University of Pittsburgh, majoring in microbiology with a minor in chemistry. He is also a researcher at the Gottschalk Lab, focusing on immune system pathways. With aspirations to become a cardiologist, Aaron is passionate about all areas of medical innovation. His volunteer work at a local hospital and dedication to serving patients with diverse needs led him to join Altheda. Outside of academics, Aaron enjoys playing soccer and experimenting with new recipes in the kitchen.

Will Liu Medical Assistant I

Will is an undergraduate medical assistant currently attending the University of Pittsburgh, majoring in biochemistry. He is deeply interested in cancer research and aspires to attend medical school. At Altheda Medical Center, Will is dedicated to learning how to support patients both physically and emotionally through meaningful interactions. His responsibilities at AMC include taking patient measurements, running diagnostic tests, and assisting with various clinical tasks. Outside of school and work, he enjoys running outdoors, indulging in the occasional movie binge, and exploring new foods.

Michelle Yu Medical Assistant I

Michelle is a Pre-Medical student at the University of Pittsburgh, studying Biological Sciences. As a Student Medical Assistant at Altheda Medical Center, she is passionate about medicine and aims to provide compassionate care to patients. Dedicated to expanding her healthcare knowledge and skills, Michelle has a particular interest in pursuing general surgery. At Altheda, she takes patient vitals, prepares patients for their visits, and assists with various clinical tasks. Outside of school and work, Michelle enjoys staying active by going to the gym, walking, and cooking diverse dishes.

Srivatsa Bellamkonda Medical Assistant I

Srivatsa Bellamkonda is a medical assistant currently attending Washington and Jefferson College. With a strong background in biomedical informatics, neuroscience, and immunology research, he is eager to apply these skills in clinical settings. Previously, he volunteered as a wheelchair escort in hospital environments and now hopes to expand his involvement at Altheda Medical Center, from administrative roles at the front desk to triage assistance. He is particularly drawn to Altheda’s cutting-edge diagnostic tools, like digital ultrasound technology, which enables early detection of conditions and timely interventions. When not working, Srivatsa enjoys playing tennis for his college, hosting his football podcast, and exploring Pittsburgh’s streets and suburbs on long walks.

Join us at Altheda Medical Center, where cutting-edge technology meets compassionate care to support the well-being of every individual we serve.