Individual provider Active NPI

Mohammad J Khamis, M.D.

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1881687390
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Practice address
1501 S California Ave
Chicago, IL 60608-1732
Phone
(773) 257-6552
NPI assigned
Aug 30, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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 IL Primary

Addresses

Primary practice location

1501 S California Ave
Chicago, IL 60608-1732

Mailing address

3537 Paysphere Cir
Chicago, IL 60674-0035
Phone (708) 786-2900

Other identifiers 1

IdentifierTypeStateIssuer
036-112029-1MedicaidIL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050208000877 IL Practitioner - Internal Medicine 2163473042 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-112029ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Health Care, LTD CurrentSince Jan 1, 2006 Accepting new patients

Locations

1044 N Francisco Ave
Chicago, IL 60622
Phone (773) 292-8227

4958 W Irving Park Rd
Chicago, IL 60641
Phone (773) 283-0321

5025 N Paulina St
Chicago, IL 60640
Phone (773) 271-9040

5352 N Lincoln Ave
Chicago, IL 60625
Phone (773) 353-5047

5354 N Lincoln Ave
Chicago, IL 60625
Phone (773) 353-5047

2010 N Harlem Ave
Elmwood Park, IL 60707
Phone (708) 452-4443

7613 W Belmont Ave
Elmwood Park, IL 60707
Phone (708) 583-9788

Organizations & group practices 1

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": "1125360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1881687390",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3537 PAYSPHERE CIR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606740035",
            "telephone_number": "708-786-2900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 S CALIFORNIA AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606081732",
            "telephone_number": "773-257-6552"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KHAMIS",
        "first_name": "MOHAMMAD",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-30",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036-112029-1",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.