Individual provider Active NPI

Benjamin Lewis Karfunkle, MD

  • Emergency Medicine Physician
  • Chicago, IL
National Provider Identifier
1336533207
Registry record updated Nov 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
036.177797 Issued in IL
Practice address
1653 W Congress Pkwy
Chicago, IL 60612-3833
Phone
(312) 942-5000
NPI assigned
Mar 27, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 036.177797 IL Primary

Addresses

Primary practice location

1653 W Congress Pkwy
Chicago, IL 60612-3833

Mailing address

1653 W Congress Pkwy
Chicago, IL 60612-3833
Phone (312) 942-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, 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
I20180925002159 TX Practitioner - Emergency Medicine 3072811595 Reassigns benefits to 1 organization
I20251121003909 IL Practitioner - Emergency Medicine 3072811595 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rush University Medical GroupGroup PAC ID 5496658874, 1,521 clinicians

Practice addresses (Care Compare)

1653 W Congress Pkwy
Chicago, IL 60612-3833
Phone (312) 563-4270

Hospital & facility affiliations

  • Rush University Medical Center Hospital, Chicago, IL, CCN 140119
  • Memorial Hermann - Texas Medical Center Hospital, Houston, TX, CCN 450068
  • Harris Health Hospital, Houston, TX, CCN 450289

Merit-based Incentive Payment System (MIPS)

Final score
84.11 of 100Reported as group
Quality
69.15
Promoting interoperability
100
Improvement activities
40
Cost
73.63

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036.177797ILMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rush Oak Park ER Physicians Group CurrentSince Nov 1, 2025 Accepting new patients
Ut Physicians CurrentSince Jul 1, 2018 Accepting new patients
Ut Physicians Emergency Medicine CurrentSince Jul 1, 2018 Accepting new patients
Cahrmc CurrentSince Oct 1, 2023 Accepting new patients
Cahrmc CurrentSince Oct 1, 2023 Accepting new patients
Rush University Medical Group Emergency Medicine CurrentSince Nov 1, 2025 Accepting new patients

Locations

75 Remittance Dr
Dept 1611
Chicago, IL 60675

1653 W Congress Pkwy
Chicago, IL 60612
Phone (312) 942-3138

75 Remittance Dr
Dept 1620
Chicago, IL 60675

1700 W Van Buren St
#500
Chicago, IL 60612
Phone (312) 563-2875

520 S Maple Ave
Oak Park, IL 60304
Phone (708) 383-9300

600 S Austin Rd
Eagle Lake, TX 77434
Phone (979) 234-5571

1011 S Dill St
East Bernard, TX 77435
Phone (979) 335-4433

6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200

6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714

Organizations & group practices 6

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 5

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": "1427414400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1336533207",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1653 W CONGRESS PKWY",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123833",
            "telephone_number": "312-942-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1653 W CONGRESS PKWY",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123833",
            "telephone_number": "312-942-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARFUNKLE",
        "first_name": "BENJAMIN",
        "middle_name": "LEWIS",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-27",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036.177797",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.