Active NPI
Gregory Tyler Rives, MD
- Surgery Physician
- Little Rock, AR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- E-19852
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | rivesg@musc.edu |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in LA, AR
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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
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
Procedures performed for Medicare patients
| Procedure | Number 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
| License | State | Type | Specialty |
|---|---|---|---|
| E-19852 | AR | MD | Surgery Physician |
| LL82795 | SC | MD | Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Administrators of the Tulane Educational Fund | Current | Accepting new patients | |
| University of Arkansas for Medical Sciences | Current | Accepting new patients | |
| Administrators of the Tulane Educational Fund | Current | Accepting new patients | |
| University of Arkansas for Medical Sciences | Surgery | Current | Accepting new patients |
| University of Arkansas for Medical Sciences | Current | 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.
-
- Internal Medicine Physician
- Little Rock, AR
- NPI 1588654016
Surgery
-
- Specialist
- New Orleans, LA
- NPI 1528014164
-
- Family Medicine Physician
- El Dorado, AR
- NPI 1023795051
-
- General Practice Dentistry
- Little Rock, AR
- NPI 1760843247
-
- Specialist
- Hattiesburg, MS
- NPI 1033395298
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Little Rock, AR
- NPI 1477549756
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 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.