Family Medicine at Lancaster Medical Offices - Kaiser Permanente
Family Medicine • Lancaster, CA
About
Family Medicine at Lancaster Medical Offices is a Kaiser Permanente facility in Lancaster, CA offering family medicine, primary care, and general internal medicine. The office is open Monday through Friday from 8:30 a.m. to 5 p.m., with after-hours care available Monday through Friday from 5:00 p.m. to 9:00 p.m. Patients can order prescriptions online and access care through Kaiser Permanente's member services.
Clinic Type
Family Medicine
Address
43112 15th St West, Lancaster, CA 93534
Phone
1-833-574-2273 (Toll free)
directoryupdate@kp.org
Opening Hours
Appointments/cancellations/messages: Monday through Friday, 8:30 a.m. to 5 p.m. (clinic hours may vary); after-hours care: Monday through Friday, 5:00 p.m. to 9:00 p.m.
Emergency Care
Call 1-800-464-4000 or TTY 711 for hearing/speech impaired; emergency services not specified on page
Services Offered
Insurance & Payment
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Languages Spoken
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FAQs
How do I get care now?
Get care now.
What are the after-hours care hours?
After-hours care is available Mon-Fri 5:00 p.m. to 9:00 p.m.
How can I get prescription refills or order prescriptions online?
Order your prescriptions online.
How can I become a Kaiser Permanente member?
Learn about becoming a Kaiser Permanente member.
What is the contact for provider directory requests for Medicare/Medi-Cal?
Medicare Members: 1-800-443-0815 for hard copy provider directory; Medi-Cal Members: information about Medi-Cal Rx and providers is provided in the directory and through state resources; call numbers provided in the page for more details.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Yelp/Apple Maps: 2.7 / 5
- WebMD (Dr. Peter Choi specific): 5.0 / 5 (16 ratings)
Patients praise
- Patients appreciate the convenience of having lab and other specialties in one location
- Healthcare providers are often described as professional, thorough, and communicative regarding treatments
- Staff are frequently noted for being courteous and attentive during appointments
- Efficient urgent care service reported by many visitors
Common complaints
- Challenges with scheduling and rescheduling appointments
- Difficulties reaching staff by phone, especially on weekends
- Long wait times for appointments and at the facility
- Rudeness or lack of professionalism from some front-desk or administrative staff
"It's convenient that the lab and other specialties are located here, too."
— Yelp review"This is the absolute worst experience we have ever had. Many bad experiences with Kaiser but this was by far the worst!"
— Apple Maps/Yelp reviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Dr. Margaret Y. Kim, DO - Family Medicine Doctor in Salem, OR — May 14, 2026
- Dr. Seblewongel S. Wondyrad, MD - Internal Medicine Physician in Salem, OR — May 14, 2026
- Dr. Lam Van, MD, Family Physician | Sacramento, CA | WebMD — Oct 23, 2025
- Striking Kaiser Permanente workers hold picket on Lancaster in Salem — Oct 14, 2025
- Dr. Kent Lai, MD, Family Physician | Sacramento, CA | WebMD — Nov 19, 2025
Information sourced from the clinic's website as of July 11, 2026.
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