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Summary
Dr. William Loos is an internal medicine physician who has dedicated nearly five decades to caring for patients. He earned his medical degree from the University of Washington School of Medicine and completed his residency at UCLA Medical Center. With 49 years of experience in internal medicine, Dr. Loos brings extensive knowledge to the comprehensive care of adult patients.
Dr. Loos practices in Sylmar, California, where he focuses on the prevention, diagnosis, and treatment of adult diseases. Internal medicine physicians like him serve as primary care doctors for many patients while also managing complex medical conditions. His decades of practice have given him deep expertise in coordinating care and helping patients navigate their health needs throughout their adult years.
Dr. Loos practices in Sylmar, California, where he focuses on the prevention, diagnosis, and treatment of adult diseases. Internal medicine physicians like him serve as primary care doctors for many patients while also managing complex medical conditions. His decades of practice have given him deep expertise in coordinating care and helping patients navigate their health needs throughout their adult years.
Overview based on verified provider data
Quick Facts
- 49 years of experience
- Ucla Medical Center
- 1 specialty
- 6 areas of expertise
- 1 office location
- Male
Office Location
Compare with Similar Doctors
 |  |  |  |
| Dr. William Fred Loos, MD | Dr. Adama Diarra, DO | Dr. Alaa Hajal, MD | Dr. Nima Ghadimi, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 49 Years of Experience | 14 Years of Experience | 15 Years of Experience | 29 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, French, Bambara | Speaks English, Spanish | ||
| Sylmar , CA | Tigard , OR | Diamond Bar , CA | Scottsdale , AZ |
| Med School: University Of Washington School Of Medicine | Med School: Arizona College of Osteopathic Medicine | Med School: University Of Damascus Faculty Of Medicine | Med School: Univ Iberoamericana Unibe Santo Domingo |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. William Fred Loos
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. William Fred Loos has the following specialty
Specialty Expertise
Dr. William Fred Loos has the following 6 areas of expertise
Certifications, License, & Education
49 Years Experience
Dr. William Fred Loos holds an active medical license in the state of California.
Medical License
Medical Doctor with an active medical license in the state of California.
Education & Training
Residency
Completed their residency at Ucla Medical Center.
Medical School
Graduated from University Of Washington School Of Medicine in 1977.
NPI Number
Dr. Loos' NPI number is 1417099425.
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Frequently Asked Questions
- Does Dr. William Loos accept virtual/telehealth appointments?
- Dr. William Loos has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. William Loos accepting new patients?
- Dr. William Loos has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. William Loos?
- You can find contact information for Dr. William Loos here on Vitals.
- Does Dr. William Loos accept my insurance?
- You can see the insurance plans that Dr. William Loos accepts on their Vitals profile.
- Where is Dr. William Loos's office located?
- Dr. William Loos's office is located at 14445 Olive View Dr # 6b119-H, Sylmar, CA, 91342.
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