NPIMap

Individual provider Active NPI

Robert B Maguire, MD

  • Internal Medicine Physician
  • Ottawa, IL
National Provider Identifier
1174571673
Registry record updated Apr 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036-084603 Issued in IL
Practice address
3056 E 1825TH Rd
Ottawa, IL 61350-9037
Phone
(815) 488-1013
Fax
(773) 903-7515
NPI assigned
May 5, 2006
Last updated
Apr 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036-084603 IL Primary

Addresses

Primary practice location

3056 E 1825TH Rd
Ottawa, IL 61350-9037

Mailing address

3056 E 1825TH Rd
Ottawa, IL 61350-9037
Phone (815) 488-1013

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100126000619 IL Practitioner - Internal Medicine 8820060155 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pai Participant 27, PCGroup PAC ID 2668872672, 9 clinicians
T4 Medical PLLCGroup PAC ID 0244769156, 30 clinicians

Practice addresses (Care Compare)

505 College Ave
Ottawa, IL 61350-3858
Phone (815) 434-1130

704 E Glover St
Ottawa, IL 61350-4131
Phone (815) 434-7144

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036-084603ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
24 On Physicians, PC CurrentSince Nov 17, 2014 Accepting new patients
T4 Medical PLLC CurrentSince Mar 16, 2025 Accepting new patients
24 On Physicians, P.C. CurrentSince Nov 17, 2014 Accepting new patients
Gibson Community Hospital Association Past Accepting new patients

Locations

13000 Deerfield Pkwy
Ste 100
Alpharetta, GA 30004

1015 Oconor Ave
La Salle, IL 61301
Phone (224) 616-5446

1100 E Norris Dr
Ottawa, IL 61350
Phone (815) 416-1224

505 College Ave
Ottawa, IL 61350
Phone (815) 434-1130

704 E Glover St
Ottawa, IL 61350
Phone (815) 431-4900

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Pleasant View Luther HomeOttawa, IL, CCN 145801 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 Apr 1, 2020
Apr 1, 2020

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 5

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.

Hospital & facility affiliations 8

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

NPI Registry JSON

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

{
    "created_epoch": "1146787200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1174571673",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3056 E 1825TH RD",
            "city": "OTTAWA",
            "state": "IL",
            "postal_code": "613509037",
            "telephone_number": "815-488-1013",
            "fax_number": "773-903-7515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3056 E 1825TH RD",
            "city": "OTTAWA",
            "state": "IL",
            "postal_code": "613509037",
            "telephone_number": "815-488-1013",
            "fax_number": "773-903-7515"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAGUIRE",
        "first_name": "ROBERT",
        "middle_name": "B",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-05",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-084603",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ottawa, IL

Sources for this page

Verify at the official NPI Registry.