Individual provider Active NPI

Hazem Nassar, M.D.

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1740412246
Registry record updated Jan 25, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
125056257 Issued in IL
Practice address
4600 N Clarendon Ave
Apt 1109
Chicago, IL 60640-5710
Phone
(773) 293-7133
NPI assigned
Aug 17, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 25, 2022

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 125056257 IL Primary

Addresses

Primary practice location

4600 N Clarendon Ave
Apt 1109
Chicago, IL 60640-5710

Mailing address

4600 N Clarendon Ave
Apt 1109
Chicago, IL 60640-5710
Phone (773) 293-7133

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address hnassar106806@direct.ohiohealth.com OhioHealth Physician Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
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
I20150806011502 OH Practitioner - Internal Medicine 7911153010 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Complexcare Medical Group Midwest H PLLCGroup PAC ID 0143737148, 128 clinicians
Ohiohealth CorporationGroup PAC ID 6305758426, 2,295 clinicians

Practice addresses (Care Compare)

1030 High St
Worthington, OH 43085-4014
Phone (614) 885-0408

111 S Grant Ave
Columbus, OH 43215-4701
Phone (614) 566-9489

Hospital & facility affiliations

  • Grant Medical Center Hospital, Columbus, OH, CCN 360017
  • Ohiohealth Mansfield Hospital Hospital, Mansfield, OH, CCN 360118
  • Licking Memorial Hospital Hospital, Newark, OH, CCN 360218

Merit-based Incentive Payment System (MIPS)

Final score
80.04 of 100Reported as group
Quality
58.67
Promoting interoperability
98
Improvement activities
40
Cost
76.46

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
125056257ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ohiohealth Corporation CurrentSince Aug 31, 2015 Accepting new patients
Ohiohealth Corporation CurrentSince Aug 31, 2015 Accepting new patients
Ohiohealth Corporation Internal Medicine Current Accepting new patients
Complexcare Medical Group Midwest H PLLC Internal Medicine CurrentSince Aug 11, 2025 Accepting new patients
Theoria Medical Internal Medicine CurrentSince Jan 3, 2022 Accepting new patients
24 Ihim LLC Internal Medicine PastSince Jul 25, 2019 Accepting new patients
Ohiohealth Corporation Past Accepting new patients

Locations (25 of 49)

335 Illinois St
Crystal Lake, IL 60014
Phone (815) 459-7791

1167 E Hopson St
Bad Axe, MI 48413
Phone (989) 269-9983

4782 Hospital Dr
Cass City, MI 48726
Phone (989) 872-2174

47901 Sugarbush Rd
Chesterfield, MI 48047
Phone (586) 210-7101

10735 Bogie Lake Rd
Commerce Twp, MI 48382
Phone (248) 354-3222

2567 W Grand Blvd
Detroit, MI 48208
Phone (313) 895-2990

34225 Grand River Ave
Farmington Hills, MI 48335
Phone (248) 477-7373

512 Beach St
Fenton, MI 48430
Phone (810) 629-4117

G1069 N Ballenger Hwy
Flint, MI 48504
Phone (810) 235-2006

4436 Beecher Rd
Flint, MI 48532
Phone (810) 223-9324

1330 Grand Pointe Ct
Grand Blanc, MI 48439
Phone (810) 344-3518

11941 Belsay Rd
Grand Blanc, MI 48439
Phone (810) 694-1970

3003 W Grand River Ave
Howell, MI 48843
Phone (517) 323-9133

14900 Middlebelt Rd
Livonia, MI 48154
Phone (734) 425-4200

610 W Elm Ave
Monroe, MI 48162
Phone (734) 240-9670

41800 W 11 Mile Rd
Ste 109
Novi, MI 48375
Phone (833) 578-2763

24500 Meadowbrook Rd
Novi, MI 48375
Phone (248) 477-2000

22700 Greater Mack Ave
St Clair Shrs, MI 48080
Phone (586) 443-4910

951 Hickory Creek Dr
Temperance, MI 48182
Phone (734) 206-8200

2685 W Maple Rd
Troy, MI 48084
Phone (248) 262-2357

31830 Ryan Rd
Warren, MI 48092
Phone (586) 795-5862

29800 Hoover Rd
Warren, MI 48093
Phone (586) 574-3444

1901 N Telegraph Rd
Waterford, MI 48328
Phone (248) 732-0906

6535 Drake Rd
West Bloomfield, MI 48322
Phone (248) 592-2000

8633 Main St
Whitmore Lake, MI 48189
Phone (734) 449-4431

Organizations & group practices 7

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 4

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": "1250467200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1643068800000",
    "number": "1740412246",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4600 N CLARENDON AVE",
            "address_2": "APT 1109",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606405710",
            "telephone_number": "773-293-7133"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4600 N CLARENDON AVE",
            "address_2": "APT 1109",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606405710",
            "telephone_number": "773-293-7133"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NASSAR",
        "first_name": "HAZEM",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-08-17",
        "last_updated": "2022-01-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125056257",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hnassar106806@direct.ohiohealth.com",
            "affiliation": "Y",
            "affiliationName": "OhioHealth Physician Group",
            "address_1": "111 S Grant Ave",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432154701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.