Mohamed Alassas, MD

Primary specialty

Surgical Oncology PhysicianTaxonomy code 2086X0206X

License

MD60693493 Issued in WA

Practice address

1221 Madison St Ste 1401
Seattle, WA 98104-1360

Phone

(206) 386-6700

Fax

(206) 386-6706

NPI assigned

Aug 22, 2006

Last updated

Jul 17, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WA

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

General Surgery

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Swedish Medical Center Hospital, Seattle, WA, CCN 500027

Merit-based Incentive Payment System (MIPS)

Final score

87.1 of 100Reported as group

Quality

84.53

Promoting interoperability

100

Improvement activities

40

Cost

72.46

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: malassas1040985@wm.providencedirect.org

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.

• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954

  Surgery

  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  dba Swedish Physician Division

  • Surgery Physician
  • Seattle, WA
  • NPI 1053368571
  NPD (past)
• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  NPD (past)

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

• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  Care Compare affiliation

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

{
    "created_epoch": "1156204800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1871609933",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25608",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841250608",
            "telephone_number": "206-320-4476",
            "fax_number": "206-568-7043"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1221 MADISON ST STE 1401",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981041360",
            "telephone_number": "206-386-6700",
            "fax_number": "206-386-6706"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALASSAS",
        "first_name": "MOHAMED",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-22",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WA",
            "license": "MD60693493",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "WA",
            "license": "MD60693493",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2072083",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "malassas1040985@wm.providencedirect.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1221 Madison St",
            "address_2": "STE 1401",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981043588",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Muhsen Muneer Alani
• Hawwa Alao, MD
• Sanna Alas, MD
• Maram Alashoor
• Alaska Plastic Surgery LLC
• Genesis Alatorre
• Rodrigo Alaura III, PT, DPT
• Aws Alawi, M.D.
• Amber L Alawine, SUDPT
• Adam Alayli

• Surgical Oncology Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Surgical Oncology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 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.