Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sidney Alan Mercado, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1518124338

Sidney Alan Mercado, MD is an Internal Medicine in Torrance, California. Graduated from Loma Linda University School of Medicine in 2008, 18 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, works from 2 locations and accepts Medicare assignment.

Years since qualifying
18
Trained at
Loma Linda University School of Medicine
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3565 Del Amo Blvd
Torrance, CA 90503-1637
Phone: (310) 214-0811
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1000 West Carson Street, Torrance, CA 90509 — (310) 222-2409

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1518124338
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 20, 2008
Last updated in NPPESJanuary 1, 2026
Certification dateJanuary 1, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPULMONARY DISEASE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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