Physician Profile
William Sefton, MD practices anesthesiology in Ocoee, FL. William is a 1992 graduate of University of Florida College of Medicine. According to Medicare claims data, William cared for 195 Medicare patients across 197 services. The services billed most often include anesthesia for x-ray or radiation therapy, anesthesia for other procedure on large bowel using an endoscope, and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
10000 W COLONIAL DR
Ocoee, FL 34761
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
197 services · 195 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
11 | |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
29 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
29 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
26 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on urinary system through urethra | Anaesthesia | 00910 |
22 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | Anaesthesia | 00300 |
19 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on upper abdomen | Anaesthesia | 00790 |
14 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on lower abdomen | Anaesthesia | 00840 |
13 | As often as other peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
12 | |
| Anesthesia for other procedure on lower abdomen outside abdominal cavity | Anaesthesia | 00860 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Sefton is an anesthesiologist in Ocoee, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Dr. Sefton is listed at 10000 W Colonial Dr, Ocoee, FL 34761. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (407) 667-0444. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Sefton's National Provider Identifier is 1457384042. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Sefton attended University of Florida College of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Dr. Sefton has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Sefton performs procedures including insertion of artery tube for blood sampling or infusion through skin; provides treatments such as anesthesia for x-ray or radiation therapy and anesthesia for other procedure on large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sefton. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.