Physician Profile
Unclaimed ProfileAbout THORNTON
William Davis Thornton, M.D. practices anesthesiology in San Antonio, TX. According to Medicare claims data, William cared for 504 Medicare patients across 565 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (210) 375-7790
- Email not available
Practice Locations
45 NE LOOP 410 SUITE 900
San Antonio, TX 78216
Procedures Most Often Billed to Medicare
565 services · 504 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for lens surgery | Anaesthesia | 00142 |
234 |
| Anesthesia for retinal surgery | Anaesthesia | 00145 |
223 |
| Anesthesia for procedure on eyelid | Anaesthesia | 00103 |
55 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
23 |
| Anesthesia for other procedure on eye | Anaesthesia | 00140 |
19 |
| Anesthesia for other procedure on nose and sinuses | Anaesthesia | 00160 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anesthesiologists in San Antonio 7
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Anesthesia for lens surgery 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Dr. Thornton specialize in?
Dr. Thornton is an anesthesiologist in San Antonio, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Anesthesiology”.
NPI registry
Where is Dr. Thornton located?
Dr. Thornton is listed at 45 NE LOOP 410 SUITE 900, San Antonio, TX 78216. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Thornton's phone number?
The number on file is (210) 375-7790. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Thornton's NPI number?
Dr. Thornton's National Provider Identifier is 1477536340. 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
How long has Dr. Thornton been practicing?
Dr. Thornton has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Thornton do most often?
According to Medicare billing data, Dr. Thornton provides treatments such as anesthesia for lens surgery and anesthesia for retinal surgery. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Thornton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Thornton. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.