0 reviews
Summary
Dr. Sidney Mercado specializes in internal medicine and pulmonology, bringing 18 years of experience to his practice. He earned his medical degree from Loma Linda School of Medicine and completed his internship and residency at Harbor UCLA Medical Center in 2009 and 2011, respectively. Dr. Mercado further advanced his training through a fellowship at Cedars-Sinai Medical Center in 2015, focusing on pulmonary medicine. He provides care in English for his patients.
Dr. Mercado is affiliated with Harbor UCLA Medical Center and practices in Torrance and San Gabriel, California. His expertise includes treating respiratory failure and managing type 2 diabetes. He also provides specialized care for pediatric respiratory conditions. Dr. Mercado performs therapeutic hypothermia procedures and offers comprehensive end-of-life care through hospice services and life-prolonging treatments.
Dr. Mercado is affiliated with Harbor UCLA Medical Center and practices in Torrance and San Gabriel, California. His expertise includes treating respiratory failure and managing type 2 diabetes. He also provides specialized care for pediatric respiratory conditions. Dr. Mercado performs therapeutic hypothermia procedures and offers comprehensive end-of-life care through hospice services and life-prolonging treatments.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 18 years of experience
- 29 insurance plans accepted
- speaks English
- Cedars- Sinai Medical Center
- 2 specialties
- 2 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Office Locations
Sidney Alan Mercado has 2 locationsCompare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Sidney Alan Mercado, MD | Dr. George Mousa, MD | 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 | Accepts New Patients |
| 18 Years of Experience | 17 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 | Speaks English, Spanish | ||
| Torrance , CA | Upland , CA | Diamond Bar , CA | Scottsdale , AZ |
| Med School: Loma Linda School of Medicine | Med School: University Of Aleppo Faculty Of 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 Sidney Alan Mercado
Medical Specialties
Sidney Alan Mercado has the following 2 specialties
Specialty Expertise
Sidney Alan Mercado has the following 2 areas of expertise
Certifications, License, & Education
18 Years Experience
Sidney Alan Mercado holds an active medical license in the state of California.
Medical License
Medical Doctor with an active medical license in the state of California that expires in 2027.
Education & Training
Fellowship
Completed their fellowship at Cedars- Sinai Medical Center in 2015.
Residency
Completed their residency at Harbor UCLA Medical Center in 2011.
Internship
Completed their internship at Harbor UCLA Medical Center in 2009.
Medical School
Graduated from Loma Linda School of Medicine in 2008.
NPI Number
Sidney Alan Mercado's NPI number is 1518124338.
Similar doctors
Frequently Asked Questions
- Is Sidney Mercado accepting new patients?
- Sidney Mercado is accepting new patients on Vitals. View Sidney Mercado's profile on Vitals to make an appointment.
- Does Sidney Mercado accept virtual/telehealth appointments?
- Sidney Mercado has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Sidney Mercado's office located?
- Sidney Mercado's office is located at 3330 Lomita Blvd, Torrance, CA, 90505.
- Does Sidney Mercado accept my insurance?
- You can see the insurance plans that Sidney Mercado accepts on their Vitals profile.
- Which hospitals is Sidney Mercado affiliated with?
- Sidney Mercado is affiliated with Harbor Ucla Medical Center.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.






