Stephen Bagg, MD
NPI 1912103722 · Diagnostic Radiology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Bagg, MD is a Diagnostic Radiology Physician provider in Charleston, SC (NPI 1912103722).
Provider details
- NPI number
- 1912103722
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- LL29784 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,439 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 469 | $37 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 317 | $66 |
| Ct Scan of Leg Without Contrast73700 | 269 | $44 |
| Mri Scan of Leg Joint Without Contrast73721 | 250 | $61 |
| X-Ray of Chest, 1 View71045 | 248 | $8 |
| Mri Scan of Brain Without Contrast70551 | 231 | $66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-27
- Last updated
- 2014-02-13
Frequently asked questions
- What is Stephen Bagg's NPI number?
- Stephen Bagg's National Provider Identifier (NPI) is 1912103722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Bagg's specialty?
- Stephen Bagg is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Bagg located?
- Stephen Bagg's practice location on file with NPPES is 316 Calhoun St, Charleston, SC 29401-1113.
- What is Stephen Bagg's phone number?
- The practice phone number listed in the NPPES registry for Stephen Bagg is (843) 724-2000.
- Does Stephen Bagg accept Medicare?
- Stephen Bagg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Bagg's NPI active?
- Yes — Stephen Bagg's NPI (1912103722) is active in the NPPES registry as of the last update on 2014-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.