Active NPI
Abner H Bagenstose III, MD
- Internal Medicine Physician
- Port Royal, SC
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 32682
- Practice address
- 1320 Ribaut Rd
Port Royal, SC 29935-1118 - Phone
- (843) 986-0900
- NPI assigned
- Apr 4, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Allergy & Immunology Physician | 207K00000X | 32682 | SC | |
| Internal Medicine Physician | 207R00000X | 32682 | SC | Primary |
Addresses
Primary practice location
1320 Ribaut Rd
Port Royal, SC 29935-1118
Mailing address
721 Okatie Hwy
Okatie, SC 29909-3963
Phone (843) 987-7400
Other practice location 1
4830 Knightsbridge Blvd
Ste C
Columbus, OH 43214-2300
Phone (614) 459-4949
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SC, GA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20181221001151 | SC | Practitioner - Allergy/Immunology | 6901981190 | Reassigns benefits to 1 organization |
| I20191105002897 | GA | Practitioner - Allergy/Immunology | 6901981190 |
Care Compare profile
Medicare Care Compare- Specialty
- Allergy/Immunology
- Education
- Ohio State University College of Medicine, 1974
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
721 N Okatie Hwy
Ridgeland, SC 29936-8276
721 Okatie Hwy
Okatie, SC 29909-3963
Phone (843) 987-7400
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 32682 | SC | MD | Allergy & Immunology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Beaufort Jasper Hampton Comprehensive Health Services, Inc. | Current | Accepting new patients | |
| Beaufort Jasper Hampton Comprehensive Health Services, Inc | Current | Accepting new patients | |
| Lima Memorial Joint Operating Company | Past | Accepting new patients |
Locations
721 Okatie Hwy
Okatie, SC 29909
1320 Ribaut Rd
Port Royal, SC 29935
Phone (843) 322-1833
721 N Okatie Hwy
#170
Ridgeland, SC 29936
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/EICIBD
Organizations & group practices 3
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.
-
- Federally Qualified Health Center (FQHC)
- Ridgeland, SC
- NPI 1649276148
SC
-
- Federally Qualified Health Center (FQHC)
- Varnville, SC
- NPI 1073318259
-
- General Acute Care Hospital
- Lima, OH
- NPI 1336144732
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1144108800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781222400000",
"number": "1104888403",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "721 OKATIE HWY",
"city": "OKATIE",
"state": "SC",
"postal_code": "299093963",
"telephone_number": "843-987-7400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1320 RIBAUT RD",
"city": "PORT ROYAL",
"state": "SC",
"postal_code": "299351118",
"telephone_number": "843-986-0900"
}
],
"practiceLocations": [
{
"address_1": "4830 Knightsbridge Blvd",
"address_2": "Ste C",
"address_purpose": "LOCATION",
"city": "Columbus",
"state": "OH",
"postal_code": "432142300",
"country_code": "US",
"telephone_number": "614-459-4949",
"fax_number": "614-459-4951",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BAGENSTOSE",
"first_name": "ABNER",
"middle_name": "H",
"name_suffix": "III",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-04",
"last_updated": "2026-06-12",
"certification_date": "2026-06-12",
"status": "A"
},
"taxonomies": [
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "SC",
"license": "32682",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "SC",
"license": "32682",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Port Royal, SC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 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.