Bassam I Mattar, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

0427872 Issued in KS

Practice address

818 N Emporia St
Suite 403
Wichita, KS 67214-3729

Phone

(316) 262-4467

Fax

(316) 262-0706

NPI assigned

Mar 31, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 14

Medicare fee-for-service enrollment

Enrolled in KS

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

Specialty

Hematology/Oncology

Education

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cancer Center of Kansas PAGroup PAC ID 5395732820, 30 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• NMC Health Hospital, Newton, KS, CCN 170103
• Kingman Healthcare Center Hospital, Kingman, KS, CCN 171378
• Ascension Via Christi Hospitals Wichita, Inc. Hospital, Wichita, KS, CCN 170122
• St Luke Hospital & Living Center Hospital, Marion, KS, CCN 171356
• Hillsboro Community Hospital Hospital, Hillsboro, KS, CCN 171357

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as group

Merit-based Incentive Payment System (MIPS)

Final score

87.31 of 100Reported as group

Quality

76.94

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bassam.mattar@cck.ikm.direct-ci.com

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.

• Cancer Center of Kansas, P.a.

  • Hematology & Oncology Physician
  • Wichita, KS
  • NPI 1841251394
  Medicare reassignment Care Compare group NPD
• Cancer Center of Kansas, P.a.

  • Radiology Clinic/Center
  • Wichita, KS
  • NPI 1215703426
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Ascension Via Christi Hospitals Wichita Inc.

  • General Acute Care Hospital
  • Wichita, KS
  • NPI 1154314789
  Care Compare affiliation
• Hillsboro Hospital LLC

  dba Hillsboro Community Hospital

  • Critical Access Hospital
  • Hillsboro, KS
  • NPI 1740828912
  Care Compare affiliation
• Hospital District No 1 Marion Co

  dba St. Luke Hospital

  • Critical Access Hospital
  • Marion, KS
  • NPI 1326087966
  Care Compare affiliation
• Newton Healthcare Corporation

  dba NMC Health

  • General Acute Care Hospital
  • Newton, KS
  • NPI 1245238435
  Care Compare affiliation
• Ninnescah Valley Health Systems, Inc.

  dba Kingman Healthcare Center

  • Critical Access Hospital
  • Kingman, KS
  • NPI 1285629956
  Care Compare affiliation

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

{
    "created_epoch": "1143763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775001600000",
    "number": "1053372649",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "818 N EMPORIA ST STE 403",
            "city": "WICHITA",
            "state": "KS",
            "postal_code": "672143728",
            "telephone_number": "316-262-4467",
            "fax_number": "316-262-3762"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "818 N EMPORIA ST",
            "address_2": "SUITE 403",
            "city": "WICHITA",
            "state": "KS",
            "postal_code": "672143729",
            "telephone_number": "316-262-4467",
            "fax_number": "316-262-0706"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "720 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Newton",
            "state": "KS",
            "postal_code": "671148778",
            "country_code": "US",
            "telephone_number": "316-282-0888",
            "fax_number": "316-282-0886",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "750 W D Ave",
            "address_purpose": "LOCATION",
            "city": "Kingman",
            "state": "KS",
            "postal_code": "670681266",
            "country_code": "US",
            "telephone_number": "620-532-0162",
            "fax_number": "620-532-2281",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATTAR",
        "first_name": "BASSAM",
        "middle_name": "I",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-31",
        "last_updated": "2026-04-01",
        "certification_date": "2026-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "KS",
            "license": "0427872",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700003",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700007",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700009",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700013",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700005",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700008",
            "state": "KS"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100337210A",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700006",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700011",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700015",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700002",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700012",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "1286700004",
            "state": "KS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DMERC REGION 1",
            "identifier": "12867010010",
            "state": "KS"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Hematology & Oncology Physician in Wichita, KS
• Providers in Wichita, KS by specialty
• Hematology & Oncology Physician in Kansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.