Individual provider Active NPI

Mary Ellen Lyon, M.D.

  • Emergency Medicine Physician
  • New Haven, CT
National Provider Identifier
1093101875
Registry record updated Jun 6, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
60501 Issued in CT
Practice address
Yale Medical School
333 Cedar St
New Haven, CT 06510
Phone
(213) 713-5674
NPI assigned
Apr 8, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 6, 2018

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 66793 WI
Emergency Medicine Physician 207P00000X 60501 CT Primary

Addresses

Primary practice location

Yale Medical School
333 Cedar St
New Haven, CT 06510

Mailing address

1630 Adams St
Madison, WI 53711-2140
Phone (213) 713-5674

Other practice location 1

Uw Hospitals & Clinics
600 Highland Avenue
Madison, WI 53792-0001
Phone (608) 890-8682

Medicare participation

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

Enrollment IDStateProvider typePAC IDDetails
I20260310001007 TN Practitioner - Emergency Medicine 4183938962 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Southeastern Emergency Physicians LLCGroup PAC ID 2466364997, 776 clinicians

Practice addresses (Care Compare)

9352 Park W Blvd
Knoxville, TN 37923-4325
Phone (865) 373-1000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
60501CTMDEmergency Medicine Physician
66793WIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southeastern Emergency Physicians LLC Emergency Medicine CurrentSince Mar 1, 2026 Accepting new patients
Emergency Coverage, LLC Emergency Medicine CurrentSince Mar 1, 2026 Accepting new patients

Locations

208 Central Ave W
Jamestown, TN 38556
Phone (865) 305-9401

1924 Alcoa Hwy
Knoxville, TN 37920
Phone (865) 305-9000

9352 Park West Blvd
Knoxville, TN 37923
Phone (865) 373-1000

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1428451200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1528243200000",
    "number": "1093101875",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1630 ADAMS ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537112140",
            "telephone_number": "213-713-5674"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "YALE MEDICAL SCHOOL",
            "address_2": "333 CEDAR ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "06510",
            "telephone_number": "213-713-5674"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Uw Hospitals & Clinics",
            "address_2": "600 Highland Avenue",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537920001",
            "country_code": "US",
            "telephone_number": "608-890-8682",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LYON",
        "first_name": "MARY ELLEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-08",
        "last_updated": "2018-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "66793",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CT",
            "license": "60501",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.