Primary Care


Internal Medicine

Dr. Leslie Saltzman

Board Certified Internal Medicine
Dr. Saltzman CV

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.

Dr. Elizabeth Fabens

Board Certified Internal Medicine
Dr. Fabens CV

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.

Family Medicine

Dr. Maria Mazzotti

Board Certified Family Medicine
Dr. Mazzotti CV

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 Leigh Orr

Board Certified Family Medicine
Dr. Orr CV

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.

Family Medicine Nurse Practitioners

Alicia Loper

Board Certified Nurse Practitioner

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.

Juliet Lee

Board Certified Nurse Practitioner

Juliet Lee is an accomplished Family Nurse Practitioner with a Master of Science in Nursing and a Bachelor of Science in Nursing, both from Thomas Jefferson University. Accompanying this, Juliet has as a Bachelor of Science in Business Administration from Saint Joseph’s University.

Juliet Lee’s career in healthcare spans over several years and has provided her with extensive experience in various roles. She served as a Nurse Practitioner in Primary Care at Virtua Women’s Primary Care and Wellness Center in Moorestown, NJ, from April 2020 to June 2023. Here she was responsible for providing a diverse population with primary care services, developing treatment plans, and using telehealth modalities to manage patient panels.

Prior to her role at Virtua, Juliet Lee worked as a Registered Nurse specializing in Medical Oncology at leading institutions such as the Hospital of the University of Pennsylvania and Robert Wood Johnson University Hospital. In these roles, Juliet Lee provided specialized nursing care to oncology patients, administered chemotherapy treatments, coordinated care for stem cell transplant patients, and collaborated with interdisciplinary teams of healthcare professionals for comprehensive patient care.

Juliet Lee is licensed in both New Jersey and Pennsylvania as a Registered Nurse and an Advanced Practice Nurse, and also holds BLS/CPR Certification. She has actively engaged in leadership development through the Robert Wood Johnson RN Residency Program, a course that contributed to her personal and professional growth while honing her organizational, time management, and communication skills.

Hedy Lydia Siedarta

Board Certified Nurse Practitioner

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.


1632 Pine Street
Philadelphia, PA 19103
Phone: 215-735-7992
Fax: 215-735-7991


Mon & Wed:  8am – 8pm

Tues, Thurs, Fri: 8am – 4pm

Sat: 9am – 2pm

Sun: Closed

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Don't forget to contact us first when seeking medical care!
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