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

Individual provider Internal Medicine Physician · NPI 1710916663

Dr. Ramon J Castro, MD is an Internal Medicine in Chicago, Illinois. Qualified in 1989, 37 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
37
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

5544 W Belmont Ave
Chicago, IL 60641-4129
Phone: (773) 685-7816
Fax: (773) 685-4830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036083463 (IL)

Record details

NPI number1710916663
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 2, 2006
Last updated in NPPESMarch 21, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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