Emily Megan Mackay, MD

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

MD61539456 Issued in WA

Practice address

1101 Madison St Ste 900
Seattle, WA 98104-1347

Phone

(206) 215-6800

Fax

(206) 215-6801

NPI assigned

Jul 22, 2024

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 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

Thoracic Surgery

Education

Other, 2016

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
• Swedish Issaquah Hospital, Issaquah, WA, CCN 500152

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954

  Thoracic Surgery (Cardiothoracic Vascular Surgery)

  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • 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
• Swedish Health Services

  • General Acute Care Hospital
  • Issaquah, WA
  • NPI 1851686059
  Care Compare affiliation

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

{
    "created_epoch": "1721606400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750982400000",
    "number": "1912735135",
    "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": "1101 MADISON ST STE 900",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981041347",
            "telephone_number": "206-215-6800",
            "fax_number": "206-215-6801"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACKAY",
        "first_name": "EMILY",
        "middle_name": "MEGAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-07-22",
        "last_updated": "2025-06-27",
        "certification_date": "2025-06-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "WA",
            "license": "MD61539456",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2308883",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Mack, RN, ARNP-C
• Jacob Mack
• Jill R Mack, PHARM D.
• Shannon Marie Mack, DNP, ARNP
• Stacey Ann Mack
• Lisa Marie Mackay, AU.D.
• Mary Kathryn Mackay, LMP
• Sarah Tatum Mackay
• Julian Macke, MA, LMHCA
• Ian Douglas Mackelvie, LCSW

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 27, 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.