Excellent Health Care for You & Your Family

Family First is a family medical practice for patients of all ages. Board certified physician Dr. Susan M. Nasser is a primary care physician specializing in family medicine. She and her knowledgeable, friendly staff are dedicated to providing the highest quality, compassionate care for your entire family.

As a primary care doctor with a good depth of medical knowledge, preventive awareness, and a keen sense of thoroughness, Dr. Nasser values each patient’s input, opinion and comfort level.

“No long waiting, no fears, no rush – just a good listening ear and a skilled, gentle touch.”
– Family First standard of patient care
photo of Jennifer Riley of Family First

New Office Manager

Family First is pleased to announce that Jennifer Riley joins the medical practice as Office Manager.

Welcome, Jennifer.


From Pediatrics to Geriatrics

Family First offers a broad range of services from pediatrics to geriatrics. Generations of families, including babies, children, teenagers, women, men, moms and new moms, dads, grandmothers, grandfathers, great-grandmothers, and great-grandfathers are all receiving the Family First and Dr. Nasser “high-level of treatment.”

Whether you have a cold, a scraped elbow, or an acute or chronic illness – Family First is where Antelope Valley residents go for excellent health care.

Meet The Doctor


  • Family First Medical Group
  • 42135 10th Street West, Suite 201
  • Lancaster, CA  93534
  • Phone (661) 341-3800, Fax (661) 341-3810
  • email: jennifer@familyfirstmedgroup.com

Hours of Operation

  • Monday through Friday 8am to 5pm


We accept patients with and without insurance (self-pay).


New patients are welcome. For appointment call (661) 341-3800.

Service Areas

Family First is pleased to serve patients in Los Angeles County, California, encompassing the area of the Antelope Valley and including the cities of Lancaster, Palmdale, California City, Rosamond, Lake Los Angeles, Quartz Hill, Acton, Littlerock, Phelan, Sun Village, Agua Dulce, Antelope Acres, Del Sur, Elizabeth Lake, Juniper Hills, Lake Hughes, Leona Valley, Llano, Mojave, Monolith, Neenach, North Edwards, Pearblossom, Pinon Hills, Valyermo. Wilsona Gardens, Willow Springs, Wrightwood and Edwards Air Force Base (AFB).