William Horton, MD
NPI 1144258328 · Anesthesiology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Horton, MD is a Anesthesiology Physician provider in Greenville, SC (NPI 1144258328).
Provider details
- NPI number
- 1144258328
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14145 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
273 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 45 | $70 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 43 | $49 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 30 | $162 |
| Anesthesia for Procedure on Anus and Rectum00902 | 28 | $70 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 27 | $70 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 17 | $57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$192 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2024-01-03
- Certified
- 2024-01-03
Frequently asked questions
- What is William Horton's NPI number?
- William Horton's National Provider Identifier (NPI) is 1144258328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Horton's specialty?
- William Horton is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Horton located?
- William Horton's practice location on file with NPPES is 1 Saint Francis Dr, Greenville, SC 29601-3955.
- What is William Horton's phone number?
- The practice phone number listed in the NPPES registry for William Horton is (864) 255-1000.
- Does William Horton accept Medicare?
- William Horton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Horton's NPI active?
- Yes — William Horton's NPI (1144258328) is active in the NPPES registry as of the last update on 2024-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.