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

Individual provider Family Medicine Physician · NPI 1558329276

Mr. Ramiro O Mercado, MD is a Family Practice in Chicago, Illinois. Qualified in 1975, 51 years ago. Practices with Prime Healthcare Illinois Medical Group LLC, a 281-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
51
Licensed in
IL
In the registry since
2006
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

2259 N Cicero Ave
Chicago, IL 60639-3327
Phone: (773) 622-0056
Fax: (773) 622-1095
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1431 N Western Ave, Chicago, IL 60622-7712 — (773) 276-6443
  • 1431 N Western Ave, Chicago, IL 60622-7712 — (773) 276-6443

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036085501 (IL)

Record details

NPI number1558329276
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 2, 2006
Last updated in NPPESApril 7, 2021
Certification dateApril 7, 2021

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1975 (51 years in practice)
Group practice Prime Healthcare Illinois Medical Group Llc — 281 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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