Active NPI
Gregory Blair Stringfellow, MD
- Diagnostic Radiology Physician
- Jacksonville, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- ME101511
- Practice address
- 3599 University Blvd. S.
BLDG. 300
Jacksonville, FL 32216-0000 - Phone
- (904) 399-5550
- Fax
- (904) 346-4334
- NPI assigned
- Jul 10, 2007
- Last updated
- May 7, 2026
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | ME101511 | FL | Primary |
| Diagnostic Radiology Physician | 2085R0202X | 96001 | SC | |
| Vascular & Interventional Radiology Physician | 2085R0204X | ME101511 | FL | |
| Vascular & Interventional Radiology Physician | 2085R0204X | 96001 | SC |
Addresses
Primary practice location
3599 University Blvd. S.
BLDG. 300
Jacksonville, FL 32216-0000
Mailing address
3599 University Blvd. S.
BLDG. 300
Jacksonville, FL 32216-0000
Phone (904) 399-5550
Other practice location 1
823 82nd Pkwy
Myrtle Beach, SC 29572-4607
Phone (843) 449-1010
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 000426300 | Medicaid | FL | |
| 060827737A | Medicaid | GA | |
| P00658166 | Other | GA | RAILROAD MEDICARE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL, GA, SC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- University of Florida College of Medicine, 2002
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
14550 Old Saint Augustine Rd
Jacksonville, FL 32258-2460
Phone (904) 399-5550
2001 Kingsley Ave
Orange Park, FL 32073-5148
Phone (904) 399-5550
710 Lomax St
Jacksonville, FL 32204-4015
Phone (904) 355-6583
8007 Acorn Ridge Rd
Jacksonville, FL 32256-7313
Phone (904) 399-5550
823 82ND Pkwy
Myrtle Beach, SC 29572-4607
Phone (843) 347-2450
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 96.75 of 100
- Quality
- 96.18
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 78.06 of 100
- Quality
- 72.79
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 96001 | SC | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northside Radiology Associates LLC | Diagnostic Radiology | Current | Accepting new patients |
| Florida Physician Specialists LLC | Current | Accepting new patients | |
| Mori Bean and Brooks Inc | Diagnostic Radiology | Current | Accepting new patients |
| Florida Physician Specialists LLC | Current | Accepting new patients | |
| Urology of Greater Atlanta LLC | Current | Accepting new patients | |
| Auc Urologists LLC | Current | Accepting new patients | |
| Imaging Services of Jacksonville LLC | Diagnostic Radiology | Past | Accepting new patients |
| Northside Imaging LLC | Diagnostic Radiology | Past | Accepting new patients |
| Florida Physician Specialists LLC | Past | Accepting new patients |
Locations
1250 S 18th St
Fernandina Beach, FL 32034
Phone (904) 202-2087
14550 Old St Augustine Rd
Jacksonville, FL 32258
Phone (904) 202-5010
3599 University Blvd S
Ste 300
Jacksonville, FL 32216
Phone (904) 348-3879
3625 University Blvd S
Jacksonville, FL 32216
Phone (904) 333-9404
710 Lomax St
Jacksonville, FL 32204
Phone (904) 306-6781
710 Lomax St
Ste L
Jacksonville, FL 32204
800 Prudential Dr
Jacksonville, FL 32207
Phone (904) 202-2000
8375 Dix Ellis Trl
Ste 201
Jacksonville, FL 32256
Phone (904) 399-5810
1350 13th Ave S
Jax Bch, FL 32250
Phone (904) 247-2900
1771 Baptist Clay Dr
Orange Park, FL 32003
Phone (904) 516-1000
2001 Kingsley Ave
Orange Park, FL 32073
Phone (904) 215-7015
13695 US Highway 1
Sebastian, FL 32958
Phone (772) 589-3185
2115 Little Rd
Trinity, FL 34655
Phone 7278418225410
710 Center St
Columbus, GA 31901
Phone (706) 571-1000
1000 Johnson Ferry Rd
Sandy Springs, GA 30342
Phone (404) 851-8737
180 N Park Trl
#200
Stockbridge, GA 30281
Phone (678) 565-1806
1900 Tebeau St
Waycross, GA 31501
Phone (912) 283-3030
1900 Tebeau St
Ste C
Waycross, GA 31501
135 Professional Park Dr
Conway, SC 29526
Phone (843) 347-8765
809 82nd Pkwy
Unit B
Myrtle Beach, SC 29572
823 82nd Pkwy
Myrtle Beach, SC 29572
Phone (843) 449-1010
Organizations & group practices 10
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.
-
- Radiation Oncology Physician
- Jacksonville, FL
- NPI 1588917108
-
dba Coastal Vein Vascular Institute
- Diagnostic Radiology Physician
- Tampa, FL
- NPI 1093782070
-
- Urology Physician
- Conway, SC
- NPI 1780454017
-
- Specialist
- Stockbridge, GA
- NPI 1669570990
-
- Diagnostic Radiology Physician
- Harvey, IL
- NPI 1831461771
GA
-
- Radiation Oncology Physician
- Jacksonville, FL
- NPI 1033544390
-
dba McIver Urological Clinic
- Urology Physician
- Jacksonville, FL
- NPI 1619221637
-
- Diagnostic Radiology Physician
- Jacksonville, FL
- NPI 1154586964
-
- Diagnostic Radiology Physician
- Warner Robins, GA
- NPI 1316394976
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Jacksonville Beach, FL
- NPI 1821155912
-
dba Baptist Medical Center
- General Acute Care Hospital
- Jacksonville, FL
- NPI 1578620449
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1184025600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778112000000",
"number": "1972701001",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3599 UNIVERSITY BLVD. S.",
"address_2": "BLDG. 300",
"city": "JACKSONVILLE",
"state": "FL",
"postal_code": "322160000",
"telephone_number": "904-399-5550",
"fax_number": "904-346-4334"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3599 UNIVERSITY BLVD. S.",
"address_2": "BLDG. 300",
"city": "JACKSONVILLE",
"state": "FL",
"postal_code": "322160000",
"telephone_number": "904-399-5550",
"fax_number": "904-346-4334"
}
],
"practiceLocations": [
{
"address_1": "823 82nd Pkwy",
"address_purpose": "LOCATION",
"city": "Myrtle Beach",
"state": "SC",
"postal_code": "295724607",
"country_code": "US",
"telephone_number": "843-449-1010",
"fax_number": "843-497-6171",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "STRINGFELLOW",
"first_name": "GREGORY",
"middle_name": "BLAIR",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-07-10",
"last_updated": "2026-05-07",
"certification_date": "2026-05-07",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "FL",
"license": "ME101511",
"primary": true
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "SC",
"license": "96001",
"primary": false
},
{
"code": "2085R0204X",
"taxonomy_group": "",
"desc": "Radiology, Vascular & Interventional Radiology",
"state": "FL",
"license": "ME101511",
"primary": false
},
{
"code": "2085R0204X",
"taxonomy_group": "",
"desc": "Radiology, Vascular & Interventional Radiology",
"state": "SC",
"license": "96001",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "000426300",
"state": "FL"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "060827737A",
"state": "GA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RAILROAD MEDICARE",
"identifier": "P00658166",
"state": "GA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Jacksonville, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; 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.