Dr. Matthew Lefferman Medical Director & Founder

Matthew Lefferman, DO, is the founder and chief medical officer of Access Healthcare Associates. He completed portions of his Internal Medicine residency training at Hahnemann (Drexel) University in Philadelphia, PA and Banner Good Samaritan hospital in Phoenix, AZ. Since that time, his professional focus has been the field of geriatrics. He has several years experience as a physician working in the home setting and in skilled nursing facilities. Additionally, he serves as medical director for a hospice agency and for a mobile wound care practice.

Johanna Camacho Office Administrator

Johanna has kept everything running smoothly in the AHA office since 2012. Whether it's administrative duties, marketing or maintaining patient relationships, she has her finger on the pulse of the office. Johanna loves being a mother of three and a wife. When she's not working or baking, she is playing soccer on one of the four women's leagues of which she's a member!

Elizabeth Giraldo Director of Business Development

Manuel Ramirez Certified Medical Assistant

Manuel graduated at the top of his class from Kaplan College North Hollywood. As a Certified Medical Assistant his responsibilities at AHA include: medication refills, chronic care management, order and assist with lab testing, coordinate referrals, and outpatient services---home health, psychical therapy, skilled nursing, wound care management and more. He was born in Mexico but raised in the Greater Los Angeles area since the age of five. In his spare time he enjoys listening to music, updating his medical knowledge and enjoys spending time with his family.

Milo Sarmiento Certified Phlebotomist

Milo graduated at the top of his class with perfect attendance from Kaplan College North Hollywood. Milo is a motivated Medical Assistant and Phlebotomist with a highly effective communication style. His job duties include venipunctures, injections, ear cleaning and electrocardiograms (EKG).

During his spare time he enjoys spending time with family and friends, playing sports, snowboarding and long walks with his dogs.

Rana Pasibalo, R.N. Medical Records & Billing Assistant

I graduated with a Bachelor of Science in Nursing and worked in a hospital setting for 2 years before shifting to clinical support in the office. I have been with AHA for almost 3 years. I provide assistance in our Billing Department and the Medical Records Department. During my spare time, I read or watch the news, or binge on international tv shows.

Claressa Rodriguez Admissions Coordinator

Miriam Esparza Clinical Coordinator

Jeanette Newman Medical Records Coordinator

Jeanette retrieves patient medical records for physicians, technicians, or other medical personnel. She reviews records for completeness and accuracy. Other duties include: planning, developing, maintaining, or operating a variety of health record indexes for storage and retrieval. She manages the department and supervises personnel in the medical records department. Jeanette enjoys working in the office and helping to provide a high level of service to both our patients and their families.

Nielah Thomas Certified Medical Assistant

Valerie Trujillo Clinical Provider Support

Jennifer Rodriguez Certified Phlebotomist

Argine Markosyan Administrative And Human Resources Manager

Sam Hough Medical Billing Coordinator

Sam is our Medical Billing Coordinator. He studied Film with a screenwriting concentration at Temple University. He is originally from Richmond, Virginia and is passionate about film, television, Philadelphia sports, and helping patients.

Trisha Sappa Provider Support

I've been a nurse in practice for 10 years, mostly assisting in an outpatient clinical set up.  As a Provider Support, I personally assist and carry out orders for our Nurse Practitioners and Physicians. A fun fact about me is that  enjoy learning  Muay Thai and Boxing. I like staying active, but also enjoy my quiet time and relaxing. I love running, it's my happy pill- my goal is to beat my own personal record at every run.

Kathleen Reyes Admissions Support

After my volunteer days at a tertiary hospital, I worked as a Board Exam Review Staff for BS Nursing Batch 2019's preparation in their Philippine Nursing Licensure Exam. I work in the Admission Department as Admissions Support and love what I do. I also order and follow up on and Durable Medical Equipment (DME) and hospital admission as needed for our dear patients Fun fact about me is that I am also a mental health advocate. On my leisure time, I love watching horror and thriller movies.

Shenna Gabrillo Provider Support

I work as a Provider Support here at AHA specifically assisting our Nurse Practitioners in the East San Fernando Valley, West San Fernando Valley, Santa Clarita, Conejo Valley and Camarillo surrounding areas.  Fun fact about me is I love to go running, reading books and wall climbing. I also have a Bachelor of Science in Nursing and I'm licensed nurse.