Individual provider Active NPI

Jacob S Choi

  • Hematology & Oncology Physician
  • Chicago, IL
National Provider Identifier
1407218704
Registry record updated Feb 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
036153310 Issued in IL
Practice address
251 E Huron St
Chicago, IL 60611-2908
Phone
(312) 695-6939
NPI assigned
Mar 25, 2016
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 4, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 35.136075 OH
Hematology & Oncology Physician 207RH0003X 036153310 IL Primary
Medical Oncology Physician 207RX0202X 036.153310 IL
Medical Oncology Physician 207RX0202X 96453 GA
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

251 E Huron St
Chicago, IL 60611-2908

Mailing address

9500 Euclid Ave
Cleveland, OH 44195-0001
Phone (216) 444-2200

Other practice location 1

645 N Michigan Ave Ste 1006
Chicago, IL 60611-2814
Phone (312) 695-0990

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20230829000158 GA Practitioner - Hematology 2567725856 Reassigns benefits to 1 organization
I20240917001059 IL Practitioner - Hematology/OncologyPractitioner - Internal Medicine 2567725856 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

1333 W Belmont Ave
Chicago, IL 60657-5785

1475 E Belvidere Rd
Grayslake, IL 60030-2012

233 E Superior St
Suite 1 051
Chicago, IL 60611-2913
Phone (312) 472-1234

250 E Superior
2304 Nwmff Prent WMN Hosp
Chicago, IL 60611-2914
Phone (312) 472-3660

250 E Superior St
Chicago, IL 60611-2914

251 E Huron
Chicago, IL 60611-2908

251 E Huron St
Chicago, IL 60611-2908

4445 W Irving Park Rd
Chicago, IL 60641-2808

636 Raymond Dr
Suite 107
Naperville, IL 60563-9789
Phone (630) 416-2300

660 N Westmoreland Rd
302 Lake Forest OBGYN
Lake Forest, IL 60045-1673
Phone (312) 926-6146

675 N Saint Clair St
Chicago, IL 60611-5975

675 N St Clair
Chicago, IL 60611-5975

7 Blanchard Cir
Wheaton, IL 60189-2038

Hospital & facility affiliations

  • Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281
  • Palos Community Hospital Hospital, Palos Heights, IL, CCN 140062
  • Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
  • Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130

Merit-based Incentive Payment System (MIPS)

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

Merit-based Incentive Payment System (MIPS)

Final score
94.51 of 100Reported as apm
Quality
80.61
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35.136075OHMDInternal Medicine Physician
036153310ILMDHematology & Oncology Physician
036.153310ILMDMedical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Sep 1, 2024 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Sep 1, 2024 Accepting new patients
The Emory Clinic Inc Internal Medicine CurrentSince Sep 1, 2023 Accepting new patients
Central Dupage Physician Group Internal Medicine Past Accepting new patients
Northwestern Medical Faculty Foundation Past Accepting new patients

Locations

1365 Clifton Rd NE
Atlanta, GA 30322
Phone (404) 778-7525

2201 Henderson Mill Rd NE
Ste 160
Atlanta, GA 30345
Phone (404) 251-2193

Dept 5777
Carol Stream, IL 60122

Carol Stream, IL 60122
Phone (630) 933-3300

251 E Huron St
Chicago, IL 60611

675 N Saint Clair St
Ste 17-100
Chicago, IL 60611
Phone (312) 926-4444

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

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 and National Provider Directory roles.

Hospital & facility affiliations 6

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": "1458864000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1407218704",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9500 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441950001",
            "telephone_number": "216-444-2200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 E HURON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112908",
            "telephone_number": "312-695-6939"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "645 N Michigan Ave Ste 1006",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606112814",
            "country_code": "US",
            "telephone_number": "312-695-0990",
            "fax_number": "312-472-0564",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHOI",
        "first_name": "JACOB",
        "middle_name": "S",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-03-25",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.136075",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IL",
            "license": "036153310",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "IL",
            "license": "036.153310",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "GA",
            "license": "96453",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.