John M Ortinau, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

Practice address

800 Bisterfield Rd
Alexian Brothers Medical Center
Elk Grove, IL 60007

Phone

(847) 437-5500

Fax

(630) 734-1560

NPI assigned

May 5, 2006

Last updated

Jul 13, 2026By 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Mea Elk Grove LLC

  • Emergency Medicine Physician
  • Elk Grove, IL
  • NPI 1578556841
  NPD (past)

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

{
    "created_epoch": "1146787200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1093763666",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 87904",
            "address_2": "DEPT 2049 MEA ELK GROVE LLC",
            "city": "CAROL STREAM",
            "state": "IL",
            "postal_code": "60188",
            "telephone_number": "630-734-0200",
            "fax_number": "630-734-1560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 BISTERFIELD RD",
            "address_2": "ALEXIAN BROTHERS MEDICAL CENTER",
            "city": "ELK GROVE",
            "state": "IL",
            "postal_code": "60007",
            "telephone_number": "847-437-5500",
            "fax_number": "630-734-1560"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ORTINAU",
        "first_name": "JOHN",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Roman Leung, DDS
• Vera Helena Masutti, DO
• Mea Elk Grove LLC
• Medical Center Dental Assoc
• Koji Ohashi, MASSAGE THERAPIST
• Robert S. Kagan, M.D. SC
• Sapna Rathi, M.D, S.C
• Samantha Spencer, MD
• Tighe M Zimmers, MD

• Emergency Medicine Physician in Elk Grove, IL
• Providers in Elk Grove, 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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.