Medical Care Center Lancaster CA

Family First Family Medical Practice is Lancaster's trusted medical care center, offering comprehensive family medicine for patients of all ages in the Antelope Valley. Founded in 2013 by Dr. Susan M. Nasser, DO, the practice has grown into a pillar of community healthcare. Whether your family needs preventive visits, same-day urgent care, or chronic condition management, the team is ready to help. Call (661) 341-3800 or contact us online to schedule today.

As a Medical Care Center in Lancaster, CA, Family First serves every stage of life, from newborns to seniors. The practice accepts patients with and without insurance, and new patients are always welcome.

A nurse holding hands with patient for help, consulting support and healthcare advic

What Services Does Our Medical Care Center in Lancaster Offer?

Family First provides a wide range of services under one roof:

Mother, baby and stethoscope of pediatrician for healthcare consulting


  • Pediatric and geriatric care.
  • Men's health services, including cardiovascular and liver disease monitoring.
  • Women's health services, including family planning and screenings.
  • Diabetes diagnosis, monitoring, and management.
  • Hypertension evaluation and treatment.
  • Allergy testing and treatment.
  • Sports physicals and preventive medicine.
  • FAA Aeromedical Examiner exams for pilot certifications.
  • Physician-supervised medical weight loss, including Semaglutide treatment. 


Most patients receive coordinated care without multiple referrals or separate specialist offices.

What Can You Expect When You Visit Family First?

Your visit to our Medical Care Center in Lancaster, CA, is designed to be straightforward. Here is what to expect:

  1. Call or book online. Contact the office at (661) 341-3800 to schedule a same-day visit, walk in, or book up to three days ahead.
  2. Complete your paperwork. New patient forms are available on the forms page to save time at check-in.
  3. Meet your provider. An experienced physician or PA will take time to understand your full health history.
  4. Receive your care plan. Your provider will outline next steps, such as lab work, a prescription, a referral, or a follow-up visit.
  5. Ongoing support. The care team coordinates chronic disease management, wellness visits, and weight loss coaching between appointments.

Why Families in Lancaster, CA, Choose Us

Family First has served Lancaster since 2013. The practice accepts insurance and self-pay patients and offers Monday through Friday hours from 8 a.m. to 5 p.m., with walk-ins welcome for urgent needs. Dr. Susan M. Nasser is board-certified in Family Medicine and is one of the few Antelope Valley providers certified as an FAA Aeromedical Examiner. PA-C Simarjeet Manocha brings specialized expertise in diabetes and chronic disease care. Learn more on the providers page.

phone icon

Schedule Your Visit at Our Lancaster Medical Care Center Today

Family First Family Medical Practice welcomes new patients and walk-ins at 42135 10th Street West, Suites 102 and 201, Lancaster, CA. Call (661) 341-3800 or visit the contact page to book your appointment. Your family's health is always the priority.