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

Basil S Hernandez, MD

Individual provider Internal Medicine Physician · NPI 1144327602

Basil S Hernandez, MD is a Hospitalist in Downers Grove, Illinois. Graduated from Saint Louis University School of Medicine in 2003, 23 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
23
Trained at
Saint Louis University School of Medicine
Licensed in
IL
In the registry since
2006
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

3815 Highland Ave Ste G130A
Downers Grove, IL 60515-1500
Phone: (312) 609-0300
Fax: (630) 275-6075
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036-116747 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-116747 (IL)

Record details

NPI number1144327602
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 19, 2006
Last updated in NPPESAugust 25, 2025
Certification dateAugust 25, 2025
Mailing address29373 Network Pl, Chicago, IL 60673-1285

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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