NPIMap

Individual provider Active NPI

William Ellis, MD

  • Emergency Medicine Physician
  • Greenville, SC
National Provider Identifier
1972187094
Registry record updated Nov 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
85734 Issued in SC
Practice address
701 Grove Rd FL 1
Greenville, SC 29605-4210
Phone
(864) 455-7899
Fax
(864) 455-5474
NPI assigned
May 6, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 19, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 85734 SC Primary

Addresses

Primary practice location

701 Grove Rd FL 1
Greenville, SC 29605-4210

Mailing address

300 E McBee Ave Ste 300
Greenville, SC 29601-2899
Phone (864) 522-8603

Other practice location 1

701 Grove Road
4th Floor Support Tower
Greenville, SC 29605
Phone (864) 455-5198

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250520001748 SC Practitioner - Emergency Medicine 0143623751 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of North Carolina at Chapel Hill School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Prisma Health University Medical GroupGroup PAC ID 8325950983, 2,467 clinicians

Practice addresses (Care Compare)

701 Grove Rd
Greenville, SC 29605-4210
Phone (864) 797-7100

Hospital & facility affiliations

  • Prisma Health Greer Memorial Hospital Hospital, Spartanburg, SC, CCN 420033
  • Prisma Health Laurens County Hospital Hospital, Clinton, SC, CCN 420038
  • Prisma Health Hillcrest Hospital Hospital, Simpsonville, SC, CCN 420037
  • Prisma Health Baptist Easley Hospital Hospital, Easley, SC, CCN 420015
  • Prisma Health Patewood Hospital Hospital, Greenville, SC, CCN 420102

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Prisma Health University Medical Group CurrentSince Jul 6, 2025 Accepting new patients
Prisma Health University Medical Group CurrentSince Jul 6, 2025 Accepting new patients

Locations

210 Freeman Farm Rd
Duncan, SC 29334
Phone (864) 968-5123

2A Cleveland Ct
Greenville, SC 29607
Phone (864) 271-7761

701 Grove Rd
Greenville, SC 29605
Phone (864) 454-2030

701 Grove Rd
Fl 1
Greenville, SC 29605
Phone (864) 455-7899

701 Grove Rd
Fl 4
Greenville, SC 29605
Phone (864) 455-5198

300 E McBee Ave
Ste 300
Greenville, SC 29601

300 E McBee Ave
Fl 4
Greenville, SC 29601
Phone (864) 522-8615

Interoperability endpoints

  • Direct secure messaging: wellis510247@direct.ghs.myhfn.org

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 and National Provider Directory roles.

Hospital & facility affiliations 19

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

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1620259200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1972187094",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 E MCBEE AVE STE 300",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296012899",
            "telephone_number": "864-522-8603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 GROVE RD FL 1",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296054210",
            "telephone_number": "864-455-7899",
            "fax_number": "864-455-5474"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "701 Grove Road",
            "address_2": "4th Floor Support Tower",
            "address_purpose": "LOCATION",
            "city": "Greenville",
            "state": "SC",
            "postal_code": "29605",
            "country_code": "US",
            "telephone_number": "864-455-5198",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ELLIS",
        "first_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-06",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "SC",
            "license": "85734",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenville, SC

Sources for this page

Verify at the official NPI Registry.