Dr. John R. Kao, MD
- Medicare services, 2024
- 16,544
- Medicare patients, 2024
- 737
- Part D claims, 2024
- 6,025
- MIPS score, 2024
- 92
- Hospital affiliations
- 3
- Practice address
- 2400 Samaritan Dr, San Jose, CA 95124
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Apex Cardiology of Silicon Valley - HOPD
Acute Care Hospital outpatient department · San Jose, California
Find Dr. Kao'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. John R. Kao is an interventional cardiologist in San Jose, California
Dr. Kao practices at Apex Cardiology of Silicon Valley - HOPD in San Jose, California.
Dr. Kao's NPI, 1497737191, was assigned on November 17, 2005. Dr. Kao graduated from Keck School of Medicine of USC in 2000. Dr. Kao holds California license A078726.
- NPI
- 1497737191NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688757206
- NPI enumeration date
- November 17, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Kao practices at Apex Cardiology of Silicon Valley - HOPD in San Jose, California
Dr. Kao's primary practice is Apex Cardiology of Silicon Valley - HOPD, at 2400 Samaritan Dr, San Jose, CA 95124.
- Apex Cardiology of Silicon Valley - HOPD2400 Samaritan Dr, San Jose, CA 95124
Source: Dmand AI Affiliation Data
Dr. John R. Kao is affiliated with 6 sites of care and 3 medical groups
Dr. Kao's primary practice is Apex Cardiology of Silicon Valley - HOPD in San Jose, California. Dr. Kao is also affiliated with Good Samaritan Hospital. The medical group on file is El Camino Health Medical Network. Dmand AI also links Dr. Kao to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John R. Kao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kao practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Apex Cardiology of Silicon Valley - HOPD | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John R. Kao is one of 582 interventional cardiologists in California
Interventional cardiology is Dr. Kao's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Kao is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Kao is licensed in California.
Specialties and state licenses
- Interventional cardiology, CaliforniaPrimary
Clinical focus
Dmand AI lists aneurysm, angioplasty, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, cerebrovascular disease, chronic hypertension and coronary artery disease among the conditions Dr. Kao treats.
Interventional cardiologists near Dr. Kao
Counts of interventional cardiologists 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. John R. Kao billed Medicare for 16,544 services in 2024
CMS data shows 16,544 Medicare services from Dr. Kao across 36 procedure codes in 2024, for 737 Medicare patients. Medicare paid $727,951 for them.
Dr. Kao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1882024: 11,5846062%
- Tests and treatments
- 2023: 2,6722024: 2,5913%
- Office and hospital visits
- 2023: 1,8952024: 1,67212%
- Other services
- 2023: 5182024: 5131%
- Imaging
- 2023: 2862024: 18436%
Where Dr. Kao's Medicare services took place, 2024
- In an office15,75095%
- In a facility7945%
Dr. Kao compared with the California median for interventional cardiologists, 2024
- Dr. Kao
- California median
- Medicare services
- 16,544vs 2,3876.9 times
- Medicare patients
- 737vs 751Close to median
- Part D claims
- 5,875vs 1,8263.2 times
Medians across 573 interventional cardiologists in California with Dmand AI profiles that report each measure.
Dr. Kao'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. Kao and other interventional cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Kao treated 737 Medicare patients in 2024, average age 78
CMS counts 737 Medicare patients who saw Dr. Kao in 2024. The largest group is 75 to 84, with 339 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kao's median patient age at 65, with 38% women.
Dr. Kao's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kao's Medicare patients by sex, 2024
- Women33946%
- Men39854%
Chronic conditions among Dr. Kao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease52%
- Arthritis41%
- Atrial fibrillation40%
- Diabetes34%
- Chronic kidney disease28%
- Heart failure28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women38%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John R. Kao wrote 6,025 Medicare Part D claims in 2024
In 2024, Dr. Kao wrote 6,025 Medicare Part D claims for 665 patients. 76% of them were for generic drugs. CMS names the drug for 5,875 of them, across 52 drugs with 11 or more claims each, at $1,523,008 in total drug cost. In 2023, CMS named 5,343 claims across 51 drugs.
Dr. Kao's Part D claims by kind of drug, 2024
- Generic4,589 claims76%
- Brand-name1,436 claims24%
Dr. Kao's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,3432024: 5,87510%
Drugs named by CMS: 52 in 2024, 51 in 2023.
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. John R. Kao scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Kao for performance year 2024, reported as part of a group. Dr. Kao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of coronary angioplasty and stenting by Dr. Kao, more than 30% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Kao's MIPS scores, performance year 2024
- 92of 100Final score
- 99.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Kao ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 30th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. John R. Kao received $28,239 in industry payments from 2016 to 2025
CMS Open Payments shows 1,020 general payments to Dr. Kao from 60 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Biotronik Inc. paid the most, $2,568.
General payments to Dr. Kao by program year, 2016 to 2025
General payments to Dr. Kao by kind, 2016 to 2025
- Food and beverage$27,83599%
- Travel and lodging$2481%
- Education$1441%
- Consulting fees$130%
Companies that paid Dr. Kao the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John R. Kao graduated from Keck School of Medicine of USC
Dr. Kao graduated from Keck School of Medicine of USC in 2000.
- Medical school
- Board certified in cardiovascular disease
Source: Dmand AI Professional Profile Data
Dr. John R. Kao accepts plans from 16 insurance carriers
Dr. Kao is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Kao accepts, by number of carriers
- Medicare10
- PPO10
- HMO7
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. John R. Kao'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 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) |
| 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. John R. Kao
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. John R. Kao's NPI number?
Dr. John R. Kao's NPI number is 1497737191. It was assigned on November 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Kao?
Dr. John R. Kao is an interventional cardiologist in San Jose, California. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. John R. Kao practice?
Dr. Kao practices at 2400 Samaritan Dr, San Jose, CA 95124. Dr. Kao's primary practice is Apex Cardiology of Silicon Valley - HOPD in San Jose, California. Dmand AI also links Dr. Kao to 2 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. John R. Kao's medical license number?
Dr. Kao holds California license A078726.
Which hospitals is Dr. John R. Kao affiliated with?
Dr. Kao is affiliated with Good Samaritan Hospital. Dmand AI links Dr. Kao to 2 more hospitals.
What medical group is Dr. John R. Kao part of?
Dr. Kao is linked to El Camino Health Medical Network. Dmand AI links Dr. Kao to 2 more medical groups.
Does Dr. John R. Kao accept Medicare?
Yes. CMS data shows Dr. Kao billed Medicare for 16,544 services in 2024, and Dr. Kao accepts Medicare assignment.
What is Dr. John R. Kao's MIPS score?
Dr. Kao's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. John R. Kao see?
CMS counts 737 Medicare patients who saw Dr. Kao in 2024, with an average age of 78.
Is Dr. John R. Kao board certified?
Yes. Dr. Kao is board certified in cardiovascular disease by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. John R. Kao bill to Medicare?
In 2024, Dr. Kao's most billed Medicare services were injected or infused drug (J1306), office visit, established patient (99214) and heart test or procedure (93000).
Where did Dr. John R. Kao go to medical school?
Dr. Kao graduated from Keck School of Medicine of USC in 2000.
What drugs does Dr. John R. Kao prescribe most?
In 2024 Medicare Part D data, Dr. Kao's most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Metoprolol Tartrate.
Has Dr. John R. Kao received payments from drug or device companies?
CMS Open Payments shows $28,239 in general payments to Dr. Kao from 60 companies from 2016 to 2025. The largest total came from Biotronik Inc.
How long has Dr. John R. Kao been practicing?
Dr. Kao graduated from medical school in 2000, 26 years ago.
What insurance does Dr. John R. Kao accept?
Dr. Kao is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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