JOHN B ALEXIS M.D.
NPI 1689608713
Emergency Medicine in Berwyn, IL
About John B Alexis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN B ALEXIS M.D. (NPI 1689608713) is an individual emergency medicine provider in Berwyn, Illinois, licensed in Illinois (036-096475) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Aurora.
NPPES Registry Identity
Specialties & Licenses
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John B Alexis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60402 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Alexis's NPI number?
The NPI number for John Alexis is 1689608713. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is John Alexis located?
John Alexis practices at 3249 Oak Park Ave, Berwyn, IL 60402. The listed phone number is (708) 783-9100.
What is John Alexis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Alexis enrolled in Medicare?
Yes. John Alexis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is John Alexis affiliated with any hospitals?
According to CMS data, John Alexis is affiliated with Northwestern Medicine Mchenry and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for John Alexis was last updated on May 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
