Altheda Medical Center Meet Our Clinical Team

Steven Twan, MD, MHCDS Medical Director I Primary Care

Steven has nearly 40 years of experience practicing medicine. Before focusing on primary care with a special emphasis on pediatrics, he had practiced general surgery and family medicine. Steven is also a certified civil surgeon designated by the USCIS. He is affiliated with St. Clair Hospital and University of Pittsburgh Medical Center (UPMC) where he completed his clinical education and training. Steven is actively involved in clinical research and serves as a principal investigator on various trials. He also brings a passion for medical education, with professorship and teaching experience at institutions including Yale School of Medicine, Lake Erie College of Osteopathic Medicine, UPMC, Carlow University, Duquesne University, West Chester University, and Chatham University of Pittsburgh.

Coming Soon Medical Director I Psychiatry

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.

Uma Purighalla, MD Physician Advisor I Internal Medicine & Ayurveda

(Clinical start date: December, 2025)

Dr. Uma Purighalla has practiced Internal Medicine serving the Pittsburgh community for 24 years. A graduate of the Medical College of Pennsylvania, she completed her residency and was chief resident at Lenox Hill Hospital in New York City.
Since 2010, Dr. Purighalla has promoted holistic health through seminars on plant-based nutrition, Yoga, and Ayurvedic lifestyle principles for corporate, community, and hospital audiences. She is board-certified in Internal Medicine, a certified Yoga instructor (Three Rivers Yoga), and trained in Lifestyle Medicine through the American College of Lifestyle Medicine. She is also the founder of Purighalla Wellness, LLC.
Dr. Purighalla holds certification in Ayurvedic Health Counseling and is a graduate of the Kerala Ayurveda Academy, approved by the California State Board for Postsecondary Education. As an active member of the National Ayurvedic Medical Association, she bridges modern medicine with the wisdom of Yoga and Ayurveda, working with physicians to safely integrate holistic practices into patient care.

Dane Darnell, PA-C Psychiatric Specialist

Dane is a Psychiatric PA-C 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.

Sofia Beals, CRNP Primary Care Provider

Steven Benso, CRNP General Advanced Provider

Lindsey McKay, RN Aesthetics Specialist

Lindsey is a skilled and compassionate Registered Nurse with a diverse background in acute care, cardiac stepdown, and aesthetic medicine. She earned her Bachelor of Science in Biology from La Roche College in 2015, followed by a diploma in nursing from the Western Pennsylvania Hospital School of Nursing and an Associate Degree in Allied Health in 2020. She later completed her Bachelor of Science in Nursing (BSN) from Capella University in 2021.

Lindsey began her nursing career at West Penn Hospital and has since gained extensive clinical experience across several Pennsylvania hospitals as a travel nurse. Her strong foundation in patient-centered care and clinical assessment has made her a trusted provider in fast-paced and high-acuity environments.

In 2023, Lindsey founded Pretty Gurl Aesthetics under the medical supervision of Timeless Mobile Aesthetics, combining her clinical expertise with a passion for aesthetics. She is certified in Botox and dermal filler administration and is committed to delivering natural, safe, and results-driven treatments.

Whether in a hospital setting or aesthetic practice, Lindsey is known for her calm demeanor, attention to detail, and unwavering dedication to client and patient care.