Physician Profile
Unclaimed ProfileAbout STONE
William G Stone, MD practises surgery in Sonora, CA. According to Medicare claims data, William cared for 127 Medicare patients across 157 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
Common questions
What does Dr. Stone specialise in?
Dr. Stone is a general surgeon in Sonora, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Surgery”.
NPI registry
Where is Dr. Stone located?
Dr. Stone is listed at 900 GREENLEY RD, Sonora, CA 95370. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Stone's phone number?
The number on file is (605) 593-3688. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Stone's NPI number?
Dr. Stone's National Provider Identifier is 1255505764. 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. Stone been practising?
Dr. Stone has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What does Dr. Stone do most often?
According to Medicare billing data, Dr. Stone the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Stone confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stone. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (605) 593-3688
- Email not available
Practice Locations
900 GREENLEY RD
Sonora, CA 95370
Procedures Most Often Billed to Medicare
157 services · 127 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
50 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
41 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
36 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
30 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 general surgeons in Sonora 2
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.