NPIMap

Individual provider Active NPI

Ross McGuire Michels, MD

  • Hematology & Oncology Physician
  • Seneca, SC
National Provider Identifier
1679740211
Registry record updated Feb 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
38831 Issued in SC
Practice address
131 Lila Doyle Dr
Seneca, SC 29672-9495
Phone
(864) 888-3717
Fax
(864) 672-7852
NPI assigned
May 13, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 6, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 38831 SC Primary
Hematology & Oncology Physician 207RH0003X 072010 GA

Addresses

Primary practice location

131 Lila Doyle Dr
Seneca, SC 29672-9495

Mailing address

300 E McBee Ave FL 4
Greenville, SC 29601-2842
Phone (864) 522-8603

Other identifiers 1

IdentifierTypeStateIssuer
388315MedicaidSC

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address rmichels45234@lickingmemorial.medicity.net Licking Memorial Health Professionals
Direct Messaging Address rmichels33484@direct.ghs.myhfn.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC, CA, OH3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20151215000531 SC Practitioner - Hematology/OncologyPractitioner - Internal Medicine 7012134497 Reassigns benefits to 3 organizations
I20250506001226 CA Practitioner - Medical Oncology 7012134497 Reassigns benefits to 1 organization
I20260115003577 OH Practitioner - Hematology/Oncology 7012134497 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
Medical University of South Carolina College of Medicine, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Prisma Health University Medical GroupGroup PAC ID 8325950983, 2,467 clinicians
Licking Memorial Health ProfessionalsGroup PAC ID 6204740731, 235 clinicians
Dignity HealthGroup PAC ID 2062320559, 88 clinicians

Practice addresses (Care Compare)

131 Lila Doyle Dr
Seneca, SC 29672-9495
Phone (864) 888-3717

1320 W Main St
Newark, OH 43055-1822
Phone (220) 564-4000

310 Hartnell Ave
Suite Aandc
Redding, CA 96002-1800
Phone (530) 245-2900

Hospital & facility affiliations

  • Prisma Health Greenville Memorial Hospital Hospital, Greenville, SC, CCN 420078
  • Prisma Health Oconee Memorial Hospital Hospital, Seneca, SC, CCN 420009
  • Mercy Medical Center Redding Hospital, Redding, CA, CCN 050280
  • Licking Memorial Hospital Hospital, Newark, OH, CCN 360218
  • Prisma Health Patewood Hospital Hospital, Greenville, SC, CCN 420102

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
072010GAMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Greenville Health System Current Accepting new patients
Prisma Health Medical Group-Midlands CurrentSince Jan 5, 2026 Accepting new patients
Dignity Health CurrentSince Mar 31, 2025 Accepting new patients
Prisma Health Medical Group-Midlands CurrentSince Jan 5, 2026 Accepting new patients
Dignity Health CurrentSince Mar 31, 2025 Accepting new patients
Greenville Health System CurrentSince Nov 9, 2015 Accepting new patients
Prisma Health University Medical Group CurrentSince Nov 9, 2015 Accepting new patients
Prisma Health University Medical Group Current Accepting new patients
Greenville Health System CurrentSince Nov 9, 2015 Accepting new patients
Licking Memorial Professional Corporation CurrentSince Jan 29, 2026 Accepting new patients
Licking Memorial Professional Corporation CurrentSince Jan 29, 2026 Accepting new patients

Locations

310 Hartnell Ave
Ste Ac
Redding, CA 96002
Phone (530) 225-6390

3400 Data Dr
Rncho Cordova, CA 95670
Phone (916) 379-2726

1320 W Main St
Newark, OH 43055
Phone (740) 348-4151

120 McMillen Dr
Newark, OH 43055
Phone (220) 564-4806

14 Richland Medical Park Dr
Ste 410
Columbia, SC 29203
Phone (803) 434-8740

2 Medical Park Rd
Ste 506
Columbia, SC 29203
Phone (803) 434-3930

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

1 Independence Pt
Ste 212
Greenville, SC 29615
Phone (864) 797-6306

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

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

298 Memorial Dr
Seneca, SC 29672
Phone (864) 482-3100

131 Lila Doyle Dr
Seneca, SC 29672
Phone (864) 886-1911

Interoperability endpoints

  • Direct secure messaging: rmichels33484@direct.ghs.myhfn.org

Organizations & group practices 12

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 49

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

View all 49

NPI Registry JSON

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

{
    "created_epoch": "1210636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1679740211",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 E MCBEE AVE FL 4",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296012842",
            "telephone_number": "864-522-8603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "131 LILA DOYLE DR",
            "city": "SENECA",
            "state": "SC",
            "postal_code": "296729495",
            "telephone_number": "864-888-3717",
            "fax_number": "864-672-7852"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MICHELS",
        "first_name": "ROSS",
        "middle_name": "MCGUIRE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-05-13",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "SC",
            "license": "38831",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "GA",
            "license": "072010",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "388315",
            "state": "SC"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rmichels45234@lickingmemorial.medicity.net",
            "affiliation": "Y",
            "affiliationName": "Licking Memorial Health Professionals",
            "address_1": "1320 W Main St",
            "city": "Newark",
            "state": "OH",
            "country_code": "US",
            "postal_code": "430551822",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rmichels33484@direct.ghs.myhfn.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "rmichels33484@direct.ghs.myhfn.org",
            "address_1": "131 Lila Doyle Dr",
            "city": "Seneca",
            "state": "SC",
            "country_code": "US",
            "postal_code": "296729495",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Seneca, SC

Sources for this page

Verify at the official NPI Registry.