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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Sergio Mercado is Excellent. Dr. Mercado has been reviewed by 10 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.7
Courteous Staff 5.0
Accurate Diagnosis 4.8
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.7

Specialties & Research

Dr. Sergio Mercado, MD is board certified in Family Medicine.

Education & Awards

Dr. Mercado graduated from Universidad Nacional De La Plata. He has 3 awards.

Patients' Choice Award (2012 - 2014)
Compassionate Doctor Recognition (2012 - 2014)
On-Time Doctor Award (2014)


Dr. Mercado has 7 hospital affiliations:

  • Provena Mercy Medical Center 
  • Mercy Hospital And Medical Center 


  • Spanish
  • English

> > > > Dr. Sergio Mercado, MD

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Additional Information
Dr. Sergio Antonio Mercado MD is a male Family Practitioner, has 20 years of experience and practices in Family Medicine.
Where does Dr. Sergio A. Mercado practice?
Dr. Sergio Mercado has 2 office locations.
Dr. Sergio Mercado practices Family Medicine near Batavia, IL.
Additional practice locations include: Aurora, IL.
See Batavia Family Physicians.