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

Mario Arevalo, MD

Individual provider Internal Medicine Physician · NPI 1912439407

Mario Arevalo, MD is an Internal Medicine in Oak Lawn, Illinois. Qualified in 2017, 9 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
9
Licensed in
IL
In the registry since
2017
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

4440 W 95th St
Oak Lawn, IL 60453-2600
Phone: (312) 609-0300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 836 W Wellington Ave, Chicago, IL 60657-5147 — (773) 975-1600

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036153076 (IL)

Record details

NPI number1912439407
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2017
Last updated in NPPESApril 19, 2022
Certification dateApril 19, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Oak Lawn