Leslie A. Saltzman, DO, MBA, is board certified in Internal Medicine. She completed her training at University of Pennsylvania’s Pennsylvania Hospital and also holds an MBA from NYU’s Stern School of Business. She co-founded Rittenhouse Women’s Wellness Center and served as Medical Director from 2008-2014. She has also held the position of Medical Director at Tandigm Health and Senior Medical Director at HealthReveal. She is currently Senior Director of Medicine at TrialSpark.

Elizabeth Fabens, MD is a highly experienced internist with over 35 years of demonstrated excellence in internal medicine at Greenhouse Internists, Philadelphia. Dr. Fabens is well-loved by her Philadelphia community and was named a Top Doctor by Philadelphia Magazine 5 years in a row. As the founder and practice owner of Greenhouse Internists for over three decades, Dr. Fabens oversaw the direct care of over 6,000 patients with acute and chronic illnesses and led a team of 15+ medical and clerical staff.

Dr. Fabens is board-certified by the American Board of Internal Medicine, holds a Pennsylvania state license, DEA License, and is a member of the American College of Physicians. Dr. Fabens will begin seeing patients on Fridays starting in August 2023 and will also have scheduled telemedicine visits one day per week.

Maria Mazzotti, D.O., is a board certified physician with over 15 years of experience. Patients describe her as “caring, professional and compassionate.” Prior to joining our practice, she practiced at Penn Care’s Spruce Internal Medicine.

Dr. Mazzotti received her Doctorate in Osteopathic Medicine and completed her residency at the Philadelphia College of Osteopathic Medicine (PCOM). Between 1996 and 1997, she also held the position of Chief Resident of Family Medicine at PCOM. Her professional interests include: family medicine and community health.

Dr. Mazzotti is a member of the American Osteopathic Board of Family Physicians, American Academy of Family Physicians and the American Osteopathic Association. She currently resides in Philadelphia with her husband and children.

Dr. Jennifer Orr is a highly experienced and dedicated Family Medicine physician with a strong background in healthcare leadership and patient care. She completed her training at The Medical College of Pennsylvania, and her residency in Family Medicine at Abington Memorial Hospital. 

Dr. Orr has held various positions throughout her career, contributing to several reputable healthcare organizations. From 2004 to 2023 she was an integral part of Jefferson Abington Hospital, where she worked at Family Practice of Willow Grove and held Medical Directorship roles at Luther Woods Nursing and Rehabilitation Center and Brookside Healthcare and Rehabilitation Center.

She is board certified in family medicine and with her extensive training, qualifications, and experience, Dr. Jennifer Orr continues to make a significant impact in the field of family medicine and delivers compassionate care to her patients.

Alicia C. Loper, MSN, CRNP has been practicing as a Nurse Practitioner for the past 8 years and prior to that she was a Registered Nurse for over 20 years. Alicia will help us to provide optimal medical care as an integral member of a primary care team due to her experience and stellar reputation.

As a registered nurse with outpatient experience in primary care, anticoagulation, and surgery, as well as inpatient experience in medical, surgical, and cardiac units, she holds a variety of skills that will be valuable to our practice and patients.

Alicia received her MSN in Adult-Gerontology Primary Care at LaSalle University. She earned her BSN at Temple University, and her ASN at Penn State University/Frankford Hospital School of Nursing. She describes herself as collaborative, flexible, and self-motivated; with a strong desire to provide optimal medical care as an integral member of a primary care team.

Hedy Lydia Siedarta is an accomplished Adult-Gerontology Primary Care Nurse Practitioner dedicated to providing high-quality, evidence-based care to adults and older adults with complex medical conditions.

Having gained rich experience through the Oak Street Health New Graduate NP Fellowship, Hedy expertly managed a panel of patients, offering individualized, high-quality care to vulnerable populations. This role equipped her with the skills of the value-based care model, comprehensive coding, and proactive primary care strategies, establishing her as a highly skilled healthcare professional.

During her NP student years, Hedy honed her skills through clinical rotations at esteemed healthcare settings such as Girard Internal Medicine, PCOM Geriatrics Center, and Greater Philadelphia Cardiology Associates, amassing invaluable hands-on experience in patient assessment, diagnostics, treatment formulation, prescribing, and patient education.

Hedy Lydia Siedarta is a highly dedicated and skilled Nurse Practitioner committed to delivering high-quality care and ensuring positive outcomes for her patients through evidence-based practice and continual professional development.

Katherine Olmstead, MSN, CRNP, FNP-BC, is a highly accomplished Family Nurse Practitioner with a rich academic and clinical background. She holds advanced nursing degrees from Thomas Jefferson University and a psychology degree from Temple University, equipping her with a well-rounded approach to patient care.

Katherine’s extensive experience spans family medical practices, university health systems, and walk-in clinics, where she skillfully assesses, diagnoses, and treats patients of all ages. She has a specific interest in women’s health across the lifespan. Whether you are seeking routine care, contraception, or experiencing the menopause transition, she is equipped to provide a comprehensive treatment plan to meet your specific needs.

Beyond her clinical practice, Katherine has made significant contributions to nursing education as an adjunct faculty member at Thomas Jefferson University and preceptor to aspiring healthcare professionals. Her active involvement in professional organizations underscores her dedication to maintaining high standards of clinical excellence and professional integrity.

Carly Liberatore, PA-C is a certified Physician Assistant with a Master of Physician Assistant Studies from Thomas Jefferson University and a Bachelor of Science in Medical Diagnostics from the University of Delaware, where she graduated magna cum laude. Carly’s clinical expertise spans primary care with a strong focus on women’s health and holistic wellness, allowing her to effectively address a broad spectrum of health concerns, from managing chronic conditions to performing preventive care.

Her emphasis on women’s health and experience in routine gynecology, contraceptive care, and hormonal concerns allows Carly to provide tailored care to women at all stages of life. She is skilled in performing specialized procedures such as hyaluronic acid and platelet-rich plasma injections to promote healing and improve quality of life. As a certified yoga instructor, Carly integrates her knowledge of movement and mindfulness into her practice, supporting her patients in achieving both physical and emotional balance. She combines her medical expertise with her dedication to sustainable health practices, empowering her patients to achieve their long-term wellness goals through compassionate, patient-centered care.