John B. Alexis, M.D.
Emergency Medicine Physician · Berwyn, IL
John B. Alexis, M.D. is an emergency medicine physician with a practice address in Berwyn, Illinois, and NPI 1689608713, issued on Jul 11, 2006. Check the license (Illinois 036-096475, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John B. Alexis
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036-096475 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3249 Oak Park Ave, Berwyn, IL 60402
- Phone
- (708) 783-9100
- Enumerated
- Jul 11, 2006
- Record last updated
- May 23, 2025
- Medicaid ID
- 036096475 IL
- Medicare enrollment
- Enrolled (PECOS I20040423000276); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1995
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 3249 Oak Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angela Alcarraz Bedrillana, MDInternal Medicine Physician1033813720
- Haris Aleem, MDHospitalist Physician1063409795
- Natalia Alwan, APRNNurse Practitioner1457979643
Verify John B. Alexis 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 036-096475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average emergency medicine physician in 2024
274 Medicare Part D claims for 205 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen29 claims
- Cephalexin24 claims
- Prednisone19 claims
- Tramadol Hcl17 claims
- Meclizine Hcl14 claims
- Methylprednisolone11 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Central Dupage Emergency Physicians PCWinfield, IL
- Northwestern Medical Faculty FoundationHuntley, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John B. Alexis among 3,291 emergency medicine physician records in Illinois
John B. Alexis, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 68% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1995 · median 2012 among the 1,867 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Berwyn
They are 19 of the 1,031 NPPES records with a practice address in Berwyn, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Berwyn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Chandler Barnes, M.D.Stickney, IL 604021013938554
- Rhodessa Capulong, M.D.Berwyn, IL 604021992720353
- Carlos Castaneda, MDBerwyn, IL 604021053368878
- Paul Faine, M.D.Berwyn, IL 604021033136577
- Kenneth Heinrich, M.D.Berwyn, IL 604021891711743
- Judith Jean-Baptiste, M.D.Berwyn, IL 604021295750602
- Zebaa Kalimullah, MDBerwyn, IL 604021982643540
- Muhannad Kayali, M.DBerwyn, IL 604021801886593
Common questions
What is John B. Alexis, M.D.'s NPI number?
John B. Alexis, M.D.'s National Provider Identifier (NPI) is 1689608713, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John B. Alexis, M.D. located?
The NPPES record lists a practice address at 3249 Oak Park Ave, Berwyn, IL, 60402. Phone: (708) 783-9100. Providers update this record themselves, so call before visiting.
How can I verify John B. Alexis, M.D.'s license?
NPPES lists Illinois license number 036-096475, 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 John B. Alexis, M.D. prescribe under Medicare Part D?
In 2024, John B. Alexis, M.D. had 274 Medicare Part D claims for 205 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John B. Alexis, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.