Dr. Kathryn Joy, MD
- Medicare services, 2024
- 142
- Medicare patients, 2024
- 134
- Part D claims, 2024
- 13
- Publications
- 1
- MIPS score, 2024
- 61
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Joy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kathryn Joy is a trauma surgery physician in San Jose, California
Dr. Joy practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Joy's NPI, 1093179756, was assigned on April 8, 2016. Dr. Joy graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 2016. Dr. Joy's Maryland license number on file is D94176.
- NPI
- 1093179756NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840536496
- NPI enumeration date
- April 8, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathryn Joy practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Joy's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Kathryn Joy is affiliated with 2 sites of care and 1 medical group
Dr. Joy's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Joy to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathryn Joy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Joy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathryn Joy is one of 121 trauma surgery physicians in California
Trauma surgery is Dr. Joy's primary specialty in the NPI Registry, under taxonomy code 2086S0127X. Dr. Joy is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Joy's licenses on file in 3 states: Maryland, California and North Dakota.
Specialties and state licenses
- Trauma surgery, MarylandPrimary
- California license
- North Dakota license
Clinical focus
Dmand AI lists appendectomy, chest trauma, gallbladder removal, gastrointestinal obstruction, groin hernia surgery and multiple traumatic injuries among the conditions Dr. Joy treats.
Trauma surgery physicians near Dr. Joy
Counts of trauma surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kathryn Joy billed Medicare for 142 services in 2024
CMS data shows 142 Medicare services from Dr. Joy across 4 procedure codes in 2024, for 134 Medicare patients. Medicare paid $20,913 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Joy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2342024: 14239%
Dr. Joy compared with the California median for trauma surgery physicians, 2024
- Dr. Joy
- California median
- Medicare services
- 142vs 18021% below
- Medicare patients
- 134vs 132Close to median
- Part D claims
- 13vs 1724% below
Medians across 113 trauma surgery physicians in California with Dmand AI profiles that report each measure.
Dr. Joy's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Joy and other trauma surgery physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathryn Joy treated 134 Medicare patients in 2024, average age 75
CMS counts 134 Medicare patients who saw Dr. Joy in 2024. The largest group is 65 to 74, with 50 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 58% are also on Medicaid. Their average risk score is 2.30, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Joy's median patient age at 61, with 35% women.
Dr. Joy's Medicare patients by age, 2024
Dr. Joy's Medicare patients by sex, 2024
- Women6246%
- Men7254%
Chronic conditions among Dr. Joy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Mood disorders42%
- Arthritis39%
- Diabetes36%
- Depression32%
- Atrial fibrillation31%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Joy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women35%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathryn Joy wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Joy wrote 13 Medicare Part D claims. 92% of them were for generic drugs. They cover 1 drug, with $110 in total drug cost.
Dr. Joy's Part D claims by kind of drug, 2024
- Generic12 claims92%
- Brand-name and other1 claims8%
Dr. Joy's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Kathryn Joy scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Joy for performance year 2024, reported as part of a group. Dr. Joy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Joy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Joy's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Kathryn Joy has 1 publication on record
Dmand AI links 1 paper to Dr. Joy in 2020. Dr. Joy's most frequent co-authors are Matthew A. Adamo, MD, Benjamin Stephan Szewczyk, MD, MS and Mary Christina Whyte, MD.
Dr. Joy's most frequent co-authors
- Matthew A. Adamo, MD1 shared paper
- Benjamin Stephan Szewczyk, MD, MS1 shared paper
- Mary Christina Whyte, MD1 shared paper
Recent publications by Dr. Joy
See who Dr. Joy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Joy works with, so you can find a warm path to the right trauma surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kathryn Joy received $3,660 in industry payments from 2023 to 2025
CMS Open Payments shows 11 general payments to Dr. Joy from 3 drug and device companies from 2023 to 2025. Education make up the largest share, 89% of the total. Intuitive Surgical, Inc. paid the most, $3,294.
General payments to Dr. Joy by program year, 2023 to 2025
General payments to Dr. Joy by kind, 2023 to 2025
- Education$3,25089%
- Food and beverage$41011%
Companies that paid Dr. Joy the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathryn Joy graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School
Dr. Joy graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 2016.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Dr. Kathryn Joy accepts plans from 7 insurance carriers
Dr. Joy is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Delta Dental
Plan types Dr. Joy accepts, by number of carriers
- PPO5
- Medicare4
- EPO3
- HMO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Kathryn Joy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Kathryn Joy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Kathryn Joy's NPI number?
Dr. Kathryn Joy's NPI number is 1093179756. It was assigned on April 8, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathryn Joy?
Dr. Kathryn Joy is a trauma surgery physician in San Jose, California. The primary specialty in the NPI Registry is Trauma Surgery Physician (taxonomy code 2086S0127X).
Where does Dr. Kathryn Joy practice?
Dr. Joy practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Joy's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Joy to 1 community health center.
What is Dr. Kathryn Joy's office phone number?
The practice phone on file for Dr. Joy is (408) 885-5000.
What is Dr. Kathryn Joy's medical license number?
Dr. Joy's Maryland license number on file is D94176, one of the licenses on file in 3 states.
Which states has Dr. Kathryn Joy been licensed in?
Dmand AI has state licenses on file for Dr. Joy in Maryland (2022 to 2024), California (2023 to 2027) and North Dakota (2023).
Which hospitals is Dr. Kathryn Joy affiliated with?
Dr. Joy practices at Santa Clara Valley Medical Center in San Jose, California.
What medical group is Dr. Kathryn Joy part of?
Dr. Joy is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.
Does Dr. Kathryn Joy accept Medicare?
Yes. CMS data shows Dr. Joy billed Medicare for 142 services in 2024, and Dr. Joy accepts Medicare assignment.
Does Dr. Kathryn Joy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Joy as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Kathryn Joy's MIPS score?
Dr. Joy's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Kathryn Joy see?
CMS counts 134 Medicare patients who saw Dr. Joy in 2024, with an average age of 75.
Is Dr. Kathryn Joy board certified?
Yes. Dr. Joy is board certified in surgery by the American Board of Surgery.
What services does Dr. Kathryn Joy bill to Medicare?
In 2024, Dr. Joy's most billed Medicare services were critical care (99291), hospital inpatient care (99223) and critical care (99292).
Where did Dr. Kathryn Joy go to medical school?
Dr. Joy graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 2016.
What drugs does Dr. Kathryn Joy prescribe most?
In 2017 Medicare Part D data, Dr. Joy's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Kathryn Joy received payments from drug or device companies?
CMS Open Payments shows $3,660 in general payments to Dr. Joy from 3 companies from 2023 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Kathryn Joy been practicing?
Dr. Joy graduated from medical school in 2016, 10 years ago.
Does Dr. Kathryn Joy do research?
Dmand AI links 1 publication to Dr. Joy.
Who does Dr. Kathryn Joy publish with?
Dr. Joy's most frequent co-authors are Matthew A. Adamo, MD (1 shared paper), Benjamin Stephan Szewczyk, MD, MS (1 shared paper) and Mary Christina Whyte, MD (1 shared paper).
What insurance does Dr. Kathryn Joy accept?
Dr. Joy is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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