Wissam E. Mattar, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

59625 Issued in AZ

Practice address

9201 E Mountain View Rd Ste 105
Scottsdale, AZ 85258-5140

Phone

(480) 587-6614

Fax

(480) 882-5809

NPI assigned

Jun 3, 2008

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

Medicare fee-for-service enrollment

Enrolled in MD, AZ2 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

Specialty

Gastroenterology

Education

Other, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Honorhealth AmbulatoryGroup PAC ID 5991603110, 630 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Honorhealth Scottsdale Shea Medical Center Hospital, Scottsdale, AZ, CCN 030087

Merit-based Incentive Payment System (MIPS)

Final score

82.92 of 100Reported as group

Quality

74.47

Promoting interoperability

92

Improvement activities

40

Cost

75.27

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wmattar646858@direct.honorhealth.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.

• Honorhealth Ambulatory

  • Hematology & Oncology Physician
  • Scottsdale, AZ
  • NPI 1407050917
  Medicare reassignment Care Compare group NPD
• Tidalhealth Specialty Care, LLC

  • Medical Specialty Clinic/Center
  • Salisbury, MD
  • NPI 1619504735
  Medicare reassignment NPD
• Honorhealth Ambulatory

  • Surgical Oncology Physician
  • Phoenix, AZ
  • NPI 1144801689
  NPD
• Honorhealth Ambulatory

  • Emergency Medicine Physician
  • Mesa, AZ
  • NPI 1891518130
  NPD

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

• Honorhealth

  • General Acute Care Hospital
  • Scottsdale, AZ
  • NPI 1386608859
  Care Compare affiliation

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

{
    "created_epoch": "1212451200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1831358092",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9201 E MOUNTAIN VIEW RD STE 105",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852585140",
            "telephone_number": "480-587-6614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9201 E MOUNTAIN VIEW RD STE 105",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852585140",
            "telephone_number": "480-587-6614",
            "fax_number": "480-882-5809"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTAR",
        "first_name": "WISSAM",
        "middle_name": "E.",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-03",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AZ",
            "license": "59625",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Krista Leigh Matsueda, RN
• Suzanne M Matsumoto, MPT
• Skye Hiromi Matsuura, PA-C
• Natsu Matsuya, MD
• Angelo James Mattalino, M.D.
• Matteson & Sanchez Psychological Services PLLC
• Chelsea Lynn Matteson, PSYD
• Nicholas G. Matthees, M.D.
• Matthew E Nelson DDS LTD
• Matthew L Mitchell DDS

• Gastroenterology Physician in Scottsdale, AZ
• Providers in Scottsdale, AZ by specialty
• Gastroenterology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; 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.