William Register, D.O.

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

036155248 Issued in IL

Practice address

800 Biesterfield Rd Ste 510
Elk Grove Village, IL 60007-3367

Phone

(847) 981-3660

NPI assigned

May 5, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 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

Critical Care (Intensivists)

Education

University of North Texas HSC, College of Osteopathic Med, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Alexian Brothers Medical Group Specialty CareGroup PAC ID 1456636612, 22 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Alexian Brothers Medical Center 1 Hospital, Elk Grove Village, IL, CCN 140258
• St Alexius Medical Center Hospital, Hoffman Estates, IL, CCN 140290
• Saint Joseph Medical Center Hospital, Joliet, IL, CCN 140007

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wregister201971@direct.franciscanalliance.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.

• Alexian Brothers Medical Group Specialty Care

  • Specialist
  • Elk Grove Village, IL
  • NPI 1275990061
  Medicare reassignment Care Compare group NPD
• Alexian Brothers Medical Care Group NFP

  • Pulmonary Disease Physician
  • Elk Grove Village, IL
  • NPI 1518420413

  Critical Care Medicine

  Medicare reassignment NPD
• Alexian Brothers Medical Care Group NFP

  • Internal Medicine Physician
  • Arlington Heights, IL
  • NPI 1770989584
  NPD

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

• Alexian Brothers Medical Center

  • General Acute Care Hospital
  • Elk Grove Village, IL
  • NPI 1265577191
  Care Compare affiliation
• Saint Joseph Medical Center - Joliet LLC

  • General Acute Care Hospital
  • Joliet, IL
  • NPI 1760220198
  Care Compare affiliation
• St. Alexius Medical Center

  • General Acute Care Hospital
  • Hoffman Estates, IL
  • NPI 1376644385
  Care Compare affiliation

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

{
    "created_epoch": "1430784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1728604800000",
    "number": "1912384306",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 BIESTERFIELD RD STE 510",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073367",
            "telephone_number": "847-981-3660"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 BIESTERFIELD RD STE 510",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073367",
            "telephone_number": "847-981-3660"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REGISTER",
        "first_name": "WILLIAM",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-05-05",
        "last_updated": "2024-10-11",
        "certification_date": "2024-10-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036155248",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IN",
            "license": "02005686A",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036155248",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wregister201971@Direct.FranciscanAlliance.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "5454 Hohman Ave",
            "city": "Hammond",
            "state": "IN",
            "country_code": "US",
            "postal_code": "46320",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Avanti Ravanam
• Harsh A Rawal, MD
• Amrik Sivakam Ray, M.D.
• Raju B Ray, MD
• Venoodhar K Reddy, M.D.
• Maria Regner, MA
• Virginia M Reilly, APN
• Herbert J Reisel, M.D.
• Renaissance Home Health Services Inc.
• Christina Marie Rentner

• Critical Care Medicine (Internal Medicine) Physician in Elk Grove Village, IL
• Providers in Elk Grove Village, IL by specialty
• Critical Care Medicine (Internal Medicine) Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 11, 2024; 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.