Physician Profile
Kathryn Joy, M.D.
Unclaimed ProfileAbout Dr. Joy
Kathryn Joy, M.D. is a healthcare provider in San Jose, CA specializing in trauma surgery. Kathryn is also listed as specializing in surgical critical care and surgery. According to Medicare claims data, Kathryn cared for 122 Medicare patients across 142 services. The services billed most often include critical care, first 30-74 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and critical care, each additional 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
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.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (888) 334-1000
- Email not available
Practice Locations
751 S BASCOM AVE
San Jose, CA 95128
Procedures Most Often Billed to Medicare
142 services · 122 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
73 | More often than most peers in Trauma Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
26 | As often as other peers in Trauma Surgery |
| Critical care, each additional 30 minutes | Office visit | 99292 |
23 | As often as other peers in Trauma Surgery |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
20 | As often as other peers in Trauma Surgery |
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.
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 trauma surgeons in San Jose 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Kathryn Joy's specialty?
Kathryn Joy is a trauma surgeon in San Jose, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Trauma Surgery”.
NPI registry
Where can I find Kathryn Joy?
Kathryn Joy is listed at 751 S Bascom Ave, San Jose, CA 95128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Kathryn Joy?
The number on file is (888) 334-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Kathryn Joy's NPI number?
Kathryn Joy's National Provider Identifier is 1093179756. 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
What is Kathryn Joy's education?
Kathryn Joy attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Kathryn Joy been practicing?
Kathryn Joy has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Kathryn Joy known for?
According to Medicare billing data, Kathryn Joy 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 Kathryn Joy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kathryn Joy. 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.