Megan Lynn McAllister, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036126448 Issued in IL

Practice address

801 S Washington St
Naperville, IL 60540-7430

Phone

(630) 527-3000

NPI assigned

Jun 11, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhirprd.edward.org/fhirprd/api/FHIR/R4/
• Direct secure messaging: mmcallister22997@direct.edward.org

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

• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1013969013
  Medicare reassignment NPD
• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment NPD (past)
• Edward Hospital

  • Home Health Agency
  • Naperville, IL
  • NPI 1912930645
  NPD
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD
• Laboratory & Pathology Diagnostics, LLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Naperville, IL
  • NPI 1285713826
  NPD
• Berkeley Emergency Medical Group, Inc.

  • Emergency Medicine Physician
  • Oakland, CA
  • NPI 1508874454
  NPD (past)
• Berkeley Emergency Medical Group, Inc.

  • Emergency Medicine Physician
  • Berkeley, CA
  • NPI 1780692632
  NPD (past)
• Emergency Physicians Medical Associates of Long Beach

  • Emergency Medicine Physician
  • Long Beach, CA
  • NPI 1386675015
  NPD (past)

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

{
    "created_epoch": "1149984000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1437191855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE STE 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 S WASHINGTON ST",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605407430",
            "telephone_number": "630-527-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1720 E Cesar E Chavez Ave",
            "address_2": "emergency dept.",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900332414",
            "country_code": "US",
            "telephone_number": "323-268-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCALLISTER",
        "first_name": "MEGAN",
        "middle_name": "LYNN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-11",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036126448",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A85608",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jordan Mazik, MA
• Susan Marie Mazzei, D.D.S.
• Maria Regina Mazzini, M.ED
• MB&a, Inc
• George J MC Ardle, O.D.
• John James McAnelly, MD
• Katlyn Marie McAuliffe
• Clare McCabe
• Olga McCain, PA-C
• Gerald Christopher McCallum, PH.D.

• Emergency Medicine Physician in Naperville, IL
• Providers in Naperville, 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 Nov 25, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.