Individual provider Active NPI

Jontay A a Darko, MD

  • Hospitalist Physician
  • Chicago, IL
National Provider Identifier
1699396861
Registry record updated Jan 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036167994 Issued in IL
Practice address
1740 W Taylor St
Chicago, IL 60612-7232
Phone
(866) 600-2273
NPI assigned
Apr 29, 2020
Last updated
Jan 8, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 036167994 IL Primary
Family Medicine Physician 207Q00000X 036167994 IL

Addresses

Primary practice location

1740 W Taylor St
Chicago, IL 60612-7232

Mailing address

5141 S Harper Ave Apt 2
Chicago, IL 60615-3375
Phone (773) 664-3836

Other practice location 1

5145 N. California Ave
IM/ICU Hospitalists -Suite 331
Chicago, IL 60625-3661
Phone (847) 570-1027

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
I20250102002636 IL Practitioner - HospitalistPractitioner - Family Practice 1951740216 Reassigns benefits to 2 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Endeavor Health Medical Group CurrentSince Jan 1, 2026 Accepting new patients
Hospitalist Physicians of Indiana, PC Family Medicine CurrentSince Oct 1, 2024 Accepting new patients
Signify Health Medical Associates, PLLC CurrentSince Oct 30, 2024 Accepting new patients
Endeavor Health Medical Group Family Medicine Past Accepting new patients

Locations

1643 NW 136th Ave
Ste 100
Sunrise, FL 33323
Phone (865) 500-1325

5145 N California Ave
Ste 331
Chicago, IL 60625
Phone (847) 570-1027

9532 Eagle Way
Chicago, IL 60678

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

102 E Culver Rd
Knox, IN 46534
Phone (574) 772-1580

1331 State St
Laporte, IN 46350
Phone (219) 326-2415

1850 State St
New Albany, IN 47150
Phone (812) 944-7701

4055 Valley View Ln
Ste 700
Farmers Branch, TX 75244
Phone (469) 466-7007

Interoperability endpoints

  • Direct secure messaging: jdarko69280@uihealth.direct-ci.com

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1588118400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1699396861",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5141 S HARPER AVE APT 2",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606153375",
            "telephone_number": "773-664-3836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1740 W TAYLOR ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606127232",
            "telephone_number": "866-600-2273"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5145 N. California Ave",
            "address_2": "IM/ICU Hospitalists -Suite 331",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606253661",
            "country_code": "US",
            "telephone_number": "847-570-1027",
            "fax_number": "773-989-1734",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DARKO",
        "first_name": "JONTAY",
        "middle_name": "A A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-29",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036167994",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036167994",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.