Basil S. Hernandez, MD
Hospitalist Physician · Downers Grove, IL
Basil S. Hernandez, MD is a hospitalist physician with a practice address in Downers Grove, Illinois, and NPI 1144327602, issued on Sep 19, 2006. Check the license (Illinois 036-116747, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Basil S. Hernandez
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036-116747 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3815 Highland Ave Ste G130A, Downers Grove, IL 60515
- Phone
- (312) 609-0300
- Enumerated
- Sep 19, 2006
- Record last updated
- Aug 25, 2025
- Fax
- (630) 275-6075
- Medicare enrollment
- Enrolled (PECOS I20061103000286); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 3815 Highland Ave Ste G130A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arsalan Khan, M.D.Hospitalist Physician1689938383
- Nisha Nayak, NPNurse Practitioner1174414403
Verify Basil S. Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-116747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average hospitalist physician in 2024
391 Medicare Part D claims for 152 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Cefpodoxime Proxetil26 claims
- Prednisone19 claims
- Amoxicillin-Clavulanate Potass18 claims
- Furosemide18 claims
- Metoprolol Succinate18 claims
- Pantoprazole Sodium18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationDowners Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Basil S. Hernandez among 1,535 hospitalist physician records in Illinois
Basil S. Hernandez, MD is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 88% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2003 · median 2013 among the 1,339 with a school on file
- Record last updated2025 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Downers Grove → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Haroon Chaudhary, DODowners Grove, IL 605151295027498
- Samira Ibrahim, DODowners Grove, IL 605151184259269
- Arsalan Khan, M.D.Downers Grove, IL 605151689938383
- Husna Khan, DODowners Grove, IL 605151205464443
- Adam Mallinger, D.O.Downers Grove, IL 605151154620300
- Akshay Patel, MDDowners Grove, IL 605151003494220
- Mohammad Siddique, M. D.Downers Grove, IL 605151144439456
- Katarzyna VolmirClarendon Hills, IL 605141891289872
Common questions
What is Basil S. Hernandez, MD's NPI number?
Basil S. Hernandez, MD's National Provider Identifier (NPI) is 1144327602, issued on Sep 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Basil S. Hernandez, MD located?
The NPPES record lists a practice address at 3815 Highland Ave Ste G130A, Downers Grove, IL, 60515. Phone: (312) 609-0300. Providers update this record themselves, so call before visiting.
How can I verify Basil S. Hernandez, MD's license?
NPPES lists Illinois license number 036-116747, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Basil S. Hernandez, MD prescribe under Medicare Part D?
In 2024, Basil S. Hernandez, MD had 391 Medicare Part D claims for 152 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.