Doctor profile · Federal record
Dr. Abner Bagenstose, MD
Internal Medicine Physician · Allergy & Immunology Physician · Port Royal, SC
- NPI 1104888403
- 20 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1320 Ribaut RD
Port Royal, SC 299351118
(843) 986-0900 - Additional location
-
4830 Knightsbridge Blvd, Ste C
Columbus, OH 432142300
(614) 459-4949
fax (614) 459-4951 - Mailing address
-
721 Okatie Hwy
Okatie, SC 299093963
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- February 24, 2026
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- South Carolina #32682
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104888403. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,032
Distinct HCPCS
8
Medicare allowed
$23,325
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95165 |
Professional service for preparation and provision of 1 or more antigens | 538 | 17 | $14 | |
95117 |
Professional service for multiple injections of allergen | 194 | 20 | $10 | |
95115 |
Professional service for single injection of allergen | 109 | 11 | $9 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 68 | 54 | $120 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 51 | 43 | $2 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 41 | 31 | $35 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 17 | $84 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $156 |
In context: peer comparison
Among 3 peers in Port Royal Internal Medicine Physician, average services per provider: 92. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
169
Patients
54
Total drug cost
$48,976
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Fluticasone Propionate | Generic | 27 | 15 | $375 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 24 | 12 | $788 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 24 | 11 | $30,105 |
| Azelastine Hcl | Generic | 21 | 16 | $1,146 |
| Montelukast Sodium | Generic | 19 | 0 | $250 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 14 | 0 | $10,388 |
| Famotidine | Generic | 14 | 0 | $216 |
| Epinephrine | Generic | 13 | 0 | $3,421 |
| Mometasone Furoate | Generic | 13 | 0 | $2,288 |
Frequently asked questions
What is Dr. Abner Bagenstose's medical specialty?
Dr. Abner Bagenstose practices Internal Medicine Physician in Port Royal, SC.
Where does Dr. Abner Bagenstose practice?
Dr. Abner Bagenstose practices at 1320 Ribaut RD, Port Royal, SC 299351118. Office phone: 8439860900.
What is Dr. Abner Bagenstose's NPI?
Dr. Abner Bagenstose's National Provider Identifier (NPI) is 1104888403, issued by NPPES.
What procedures does Dr. Abner Bagenstose commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117); Professional service for single injection of allergen (HCPCS 95115). Source: CMS Medicare Physician & Other Practitioners file.