Individual provider Active NPI

Jennifer Brattland Ota, MD

  • Internal Medicine Physician
  • Great Lakes, IL
National Provider Identifier
1891779146
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Practice address
3001A Sixth St
Internal Medicine Clinic
Great Lakes, IL 60088-5230
Phone
(847) 688-4560
Fax
(847) 688-2678
NPI assigned
Nov 30, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 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 IL Primary

Addresses

Primary practice location

3001A Sixth St
Internal Medicine Clinic
Great Lakes, IL 60088-5230

Mailing address

3001A Sixth Street
Naval Hospital
Great Lakes, IL 60088-2833
Phone (847) 688-4560

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20130514000067 IL Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 8022255918

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-092913ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rosalind Franklin University of Medicine and Science Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1133308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1891779146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3001A SIXTH STREET",
            "address_2": "NAVAL HOSPITAL",
            "city": "GREAT LAKES",
            "state": "IL",
            "postal_code": "600882833",
            "telephone_number": "847-688-4560",
            "fax_number": "847-688-2678"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3001A SIXTH ST",
            "address_2": "INTERNAL MEDICINE CLINIC",
            "city": "GREAT LAKES",
            "state": "IL",
            "postal_code": "600885230",
            "telephone_number": "847-688-4560",
            "fax_number": "847-688-2678"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OTA",
        "first_name": "JENNIFER",
        "middle_name": "BRATTLAND",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-30",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Great Lakes, IL

Sources for this page

Verify at the official NPI Registry.