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

Individual provider Internal Medicine Physician · NPI 1801102058

Dr. Marlon Diaz Garcia, MD is an Internal Medicine in Chicago, Illinois. Qualified in 2007, 19 years ago. Practices with Cook County, a 787-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
19
Licensed in
IL
In the registry since
2010
Specialties on file
2
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

1926 W Harrison St Apt 1000
Chicago, IL 60612-3737
Phone: (312) 852-1336
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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 036-132501 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036-132501 (IL)

Record details

NPI number1801102058
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 25, 2010
Last updated in NPPESApril 23, 2021
Certification dateApril 23, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Cook County — 787 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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