Individual provider Active NPI

Rachael Balthazore, ACNPC-AG

  • Nurse Practitioner
  • Chicago, IL
National Provider Identifier
1386336790
Registry record updated Dec 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
209027881 Issued in IL
Practice address
676 N Saint Clair St Ste 2140
Chicago, IL 60611-3143
Phone
(312) 695-3800
Fax
(312) 695-3644
NPI assigned
May 24, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 19, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 209027881 IL Primary
Acute Care Nurse Practitioner 363LA2100X 041449506 IL

Addresses

Primary practice location

676 N Saint Clair St Ste 2140
Chicago, IL 60611-3143

Mailing address

676 N Saint Clair St Ste 2140
Chicago, IL 60611-3143
Phone (312) 695-3800

Other practice location 1

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (888) 824-0200

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230817003929 IL Practitioner - Nurse Practitioner 7416319785 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

676 N Saint Clair St
Suite 2140
Chicago, IL 60611-3143

680 N Lake Shire Dr
Suite 1000
Chicago, IL 60611-8709

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.19 of 100Reported as apm
Quality
83.05
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
041449506ILMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
The University of Chicago Medical Center CurrentSince Dec 11, 2025 Accepting new patients
University of Chicago CurrentSince Dec 11, 2025 Accepting new patients
The University of Chicago Medical Center CurrentSince Dec 11, 2025 Accepting new patients

Locations

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

350 N Wall St
Kankakee, IL 60901
Phone (815) 935-7500

120 N Oak St
Oak Brook Mall, IL 60521
Phone (630) 856-6700

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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": "1684886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766102400000",
    "number": "1386336790",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2140",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606113143",
            "telephone_number": "312-695-3800",
            "fax_number": "312-695-3644"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2140",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606113143",
            "telephone_number": "312-695-3800",
            "fax_number": "312-695-3644"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5841 S MARYLAND AVE",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606371443",
            "country_code": "US",
            "telephone_number": "888-824-0200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BALTHAZORE",
        "first_name": "RACHAEL",
        "credential": "ACNPC-AG",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-05-24",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209027881",
            "primary": true
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "IL",
            "license": "041449506",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.