Individual provider Active NPI

Gregory Tyler Rives, MD

  • Surgery Physician
  • Little Rock, AR
National Provider Identifier
1104485648
Registry record updated Sep 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
E-19852 Issued in AR
Practice address
4301 W Markham St # 520
Little Rock, AR 72205-7101
Phone
(501) 686-8000
Fax
(501) 526-5148
NPI assigned
Jun 9, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 19, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X LL82795 SC
Surgery Physician 208600000X 341799 LA
Surgery Physician 208600000X E-19852 AR Primary

Addresses

Primary practice location

4301 W Markham St # 520
Little Rock, AR 72205-7101

Mailing address

4301 W Markham St # 783
Little Rock, AR 72205-7101
Phone (501) 686-8000

Other practice location 1

96 Jonathan Lucas St Csb 423-A / Msc 613
Charleston, SC 29425-0001
Phone (843) 792-3072

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address rivesg@musc.edu

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in LA, AR2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20240816002968 LA Practitioner - General Surgery 6204166135 Reassigns benefits to 1 organization
I20251007001026 AR Practitioner - General Surgery 6204166135 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Arkansas for Medical SciencesGroup PAC ID 4082528955, 1,159 clinicians

Practice addresses (Care Compare)

4301 W Markam St
Little Rock, AR 72205-7101
Phone (501) 686-8000

Hospital & facility affiliations

  • University of Arkansas Medical Sciences Hospital, Little Rock, AR, CCN 040016

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hernia repair - groin (open)1-10
Hernia repair (minimally invasive)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
E-19852ARMDSurgery Physician
LL82795SCMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Administrators of the Tulane Educational Fund CurrentSince Aug 1, 2024 Accepting new patients
University of Arkansas for Medical Sciences CurrentSince Sep 20, 2025 Accepting new patients
Administrators of the Tulane Educational Fund CurrentSince Aug 1, 2024 Accepting new patients
University of Arkansas for Medical Sciences Surgery Current Accepting new patients
University of Arkansas for Medical Sciences CurrentSince Sep 20, 2025 Accepting new patients

Locations

4301 W Markham St
#783
Little Rock, AR 72205
Phone (501) 603-1278

4301 W Markham St
#520
Little Rock, AR 72205
Phone (501) 686-5205

4301 W Markham St
Little Rock, AR 72205
Phone (501) 603-1278

95 Judge Tanner Blvd
Covington, LA 70433
Phone (504) 867-3800

1101 Medical Center Blvd
Marrero, LA 70072
Phone (504) 347-5511

4700 S I 10 Svc Rd W
Metairie, LA 70001
Phone (504) 780-6453

4200 Houma Blvd
Metairie, LA 70006
Phone (504) 454-4028

2000 Canal St
New Orleans, LA 70112
Phone (504) 702-2287

1430 Tulane Ave
#8050
New Orleans, LA 70112
Phone (504) 988-7808

1415 Tulane Ave
New Orleans, LA 70112
Phone (504) 588-2300

Organizations & group practices 5

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 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": "1560038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758240000000",
    "number": "1104485648",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4301 W MARKHAM ST # 783",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722057101",
            "telephone_number": "501-686-8000",
            "fax_number": "501-526-5148"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4301 W MARKHAM ST # 520",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722057101",
            "telephone_number": "501-686-8000",
            "fax_number": "501-526-5148"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "96 Jonathan Lucas St Csb 423-A / Msc 613",
            "address_purpose": "LOCATION",
            "city": "Charleston",
            "state": "SC",
            "postal_code": "294250001",
            "country_code": "US",
            "telephone_number": "843-792-3072",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RIVES",
        "first_name": "GREGORY",
        "middle_name": "TYLER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-09",
        "last_updated": "2025-09-19",
        "certification_date": "2025-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "SC",
            "license": "LL82795",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "LA",
            "license": "341799",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "AR",
            "license": "E-19852",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rivesg@musc.edu",
            "affiliation": "N",
            "endpointDescription": "Work Email",
            "address_1": "96 Jonathan Lucas St Csb 423-A / Msc 613",
            "city": "Charleston",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294250001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Little Rock, AR

Sources for this page

Verify at the official NPI Registry.