William Sefton, MD
NPI 1457384042 · Anesthesiology Physician · Ocoee, FL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sefton, MD is a Anesthesiology Physician provider in Ocoee, FL (NPI 1457384042).
Provider details
- NPI number
- 1457384042
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME70395 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
197 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) |
|---|---|---|
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 29 | $68 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 29 | $129 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 26 | $84 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 22 | $81 |
| Anesthesia for Other Procedure on Skin, Muscles, Or Nerves of Head, Neck, and Upper Back00300 | 19 | $165 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 14 | $201 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is William Sefton's NPI number?
- William Sefton's National Provider Identifier (NPI) is 1457384042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sefton's specialty?
- William Sefton is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Sefton located?
- William Sefton's practice location on file with NPPES is 10000 W Colonial Dr, Ocoee, FL 34761-3498.
- What is William Sefton's phone number?
- The practice phone number listed in the NPPES registry for William Sefton is (407) 667-0444.
- Does William Sefton accept Medicare?
- William Sefton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sefton's NPI active?
- Yes — William Sefton's NPI (1457384042) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.