John B Alexis, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036-096475 Issued in IL

Practice address

3249 Oak Park Ave
Berwyn, IL 60402-3429

Phone

(708) 783-9100

NPI assigned

Jul 11, 2006

Last updated

May 23, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Northwestern University Feinberg Medical School, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Central Dupage Emergency Physicians PCGroup PAC ID 5597763706, 37 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
• Northwestern Medicine McHenry Hospital, McHenry, IL, CCN 140116

Merit-based Incentive Payment System (MIPS)

Final score

95.63 of 100Reported as apm

Quality

88.47

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Central Dupage Emergency Physicians, PC

  • Emergency Medicine Physician
  • Winfield, IL
  • NPI 1619074028
  Medicare reassignment Care Compare group NPD
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Berwyn Emergency Physicians, LLP

  • Emergency Medicine Physician
  • Berwyn, IL
  • NPI 1649295312
  NPD (past)
• Chicago Emergency Physician, LLP

  • Emergency Medicine Physician
  • Chicago, IL
  • NPI 1477626331
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation
• Northern Illinois Medical Center

  dba Centegra Hospital McHenry

  • General Acute Care Hospital
  • McHenry, IL
  • NPI 1982611281
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1152576000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747958400000",
    "number": "1689608713",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "662 EASTON LN",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600077833",
            "telephone_number": "847-301-0639"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3249 OAK PARK AVE",
            "city": "BERWYN",
            "state": "IL",
            "postal_code": "604023429",
            "telephone_number": "708-783-9100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2635 Church Rd Ste 101",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "IL",
            "postal_code": "605028943",
            "country_code": "US",
            "telephone_number": "630-938-6000",
            "fax_number": "630-315-6919",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALEXIS",
        "first_name": "JOHN",
        "middle_name": "B",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-11",
        "last_updated": "2025-05-23",
        "certification_date": "2025-05-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036-096475",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036096475",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mahmood Hassan Ali Haider Al Gailani
• Diane Abdelhadi Al Kurdi, PHARMD
• Angela Dianira Alcarraz Bedrillana, MD
• Haris Aleem, MD
• Nenette Alejandria-Palermo
• Joseph John Alioto, M.D.
• Alivio Medical Center Inc (Alivio Medical Center at Berwyn)
• Alivio Medical Center, Inc.
• Alivio Medical Center, Inc. (Alivio's Walk In Wellness Center at Berwyn)
• All-Care Medical Group, Inc

• Emergency Medicine Physician in Berwyn, IL
• Providers in Berwyn, IL by specialty
• Emergency Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.