Dr. Da Ouyang, MD
- Medicare services, 2024
- 447
- Medicare patients, 2024
- 326
- Clinical trials
- 2
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Practice address
- 700 Lawrence Expressway, Santa Clara, CA 95051
- Practice phone
- Call (408) 236-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ouyang'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. Da Ouyang is a cardiologist in Santa Clara, California
Dr. Ouyang practices at Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente.
Dr. Ouyang's NPI, 1235549460, was assigned on April 28, 2014. Dr. Ouyang graduated from UCSF School of Medicine in 2014. Dr. Ouyang holds California license A138463.
- NPI
- 1235549460NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587082896
- NPI enumeration date
- April 28, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 236-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Da Ouyang practices at Santa Clara Medical Center in Santa Clara, California
Dr. Ouyang's primary practice is Santa Clara Medical Center, at 700 Lawrence Expressway, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 236-6400.
- Santa Clara Medical Center700 Lawrence Expressway, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 236-6400
Source: Dmand AI Affiliation Data
Dr. Da Ouyang is affiliated with 2 sites of care and 3 medical groups
Dr. Ouyang's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente. Dr. Ouyang is also affiliated with Cedars-Sinai Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ouyang to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Da Ouyang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ouyang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Da Ouyang is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Ouyang's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Ouyang is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Ouyang is licensed in California.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
Clinical focus
Dmand AI lists atrial fibrillation and flutter, cardiomyopathy, coronary artery disease, heart failure and heart valve disorders among the conditions Dr. Ouyang treats.
Cardiologists near Dr. Ouyang
Counts of 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. Da Ouyang billed Medicare for 447 services in 2024
CMS data shows 447 Medicare services from Dr. Ouyang across 5 procedure codes in 2024, for 326 Medicare patients. Medicare paid $28,968 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ouyang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5772024: 36237%
- Office and hospital visits
- 2023: 2282024: 8563%
Dr. Ouyang compared with the California median for cardiologists, 2024
- Dr. Ouyang
- California median
- Medicare services
- 447vs 1,56071% below
- Medicare patients
- 326vs 64449% below
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Dr. Ouyang'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.
Need commercial claims for Dr. Ouyang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ouyang and other cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Da Ouyang treated 326 Medicare patients in 2024, average age 77
CMS counts 326 Medicare patients who saw Dr. Ouyang in 2024. The largest group is 75 to 84, with 119 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 3.07, 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. Ouyang's median patient age at 73, with 32% women.
Dr. Ouyang's Medicare patients by age, 2024
Dr. Ouyang's Medicare patients by sex, 2024
- Women15247%
- Men17453%
Chronic conditions among Dr. Ouyang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure68%
- Arthritis64%
- Diabetes58%
- Atrial fibrillation53%
- Chronic kidney disease50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ouyang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women32%
- Men68%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Da Ouyang scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Ouyang for performance year 2024, reported as part of a group. Dr. Ouyang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ouyang's MIPS scores, performance year 2024
- 93of 100Final score
- 77.8of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Da Ouyang has worked on 2 clinical trials
Dmand AI links Dr. Ouyang to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Amyloid Neuropathies, Heart Failure and Amyloid Neuropathies, Familial. Cedars-Sinai Medical Center sponsors the most, 2.
Conditions in Dr. Ouyang's trials
- Amyloid Neuropathies
- Heart Failure
- Amyloid Neuropathies, Familial
- Heart Diseases
Recent clinical trials with Dr. Ouyang
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Da Ouyang received $1,784 in industry payments from 2020 to 2024
CMS Open Payments shows 4 general payments to Dr. Ouyang from 3 drug and device companies from 2020 to 2024. Honoraria make up the largest share, 90% of the total. Pfizer Inc. paid the most, $1,600.
General payments to Dr. Ouyang by program year, 2020 to 2024
General payments to Dr. Ouyang by kind, 2020 to 2024
- Honoraria$1,60090%
- Food and beverage$18410%
Companies that paid Dr. Ouyang the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Da Ouyang graduated from UCSF School of Medicine
Dr. Ouyang graduated from UCSF School of Medicine in 2014.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Da Ouyang accepts plans from 15 insurance carriers
Dr. Ouyang is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Kaiser Permanente
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Ouyang accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Da Ouyang'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) |
| 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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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. Da Ouyang
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. Da Ouyang's NPI number?
Dr. Da Ouyang's NPI number is 1235549460. It was assigned on April 28, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Da Ouyang?
Dr. Da Ouyang is a cardiologist in Santa Clara, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Da Ouyang practice?
Dr. Ouyang practices at 700 Lawrence Expressway, Santa Clara, CA 95051. Dr. Ouyang's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente. Dmand AI also links Dr. Ouyang to 2 medical groups.
What is Dr. Da Ouyang's office phone number?
The practice phone on file for Dr. Ouyang is (408) 236-6400.
What is Dr. Da Ouyang's medical license number?
Dr. Ouyang holds California license A138463.
Which hospitals is Dr. Da Ouyang affiliated with?
Dr. Ouyang practices at Santa Clara Medical Center in Santa Clara, California. Dr. Ouyang is also affiliated with Cedars-Sinai Medical Center.
What medical group is Dr. Da Ouyang part of?
Dr. Ouyang is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Ouyang to 2 more medical groups.
Does Dr. Da Ouyang accept Medicare?
Yes. CMS data shows Dr. Ouyang billed Medicare for 447 services in 2024, and Dr. Ouyang accepts Medicare assignment.
What is Dr. Da Ouyang's MIPS score?
Dr. Ouyang's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Da Ouyang see?
CMS counts 326 Medicare patients who saw Dr. Ouyang in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Da Ouyang board certified?
Yes. Dr. Ouyang is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Da Ouyang bill to Medicare?
In 2024, Dr. Ouyang's most billed Medicare services were heart test or procedure (93306), critical care (99291) and heart test or procedure (93308).
Where did Dr. Da Ouyang go to medical school?
Dr. Ouyang graduated from UCSF School of Medicine in 2014.
Has Dr. Da Ouyang received payments from drug or device companies?
CMS Open Payments shows $1,784 in general payments to Dr. Ouyang from 3 companies from 2020 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Da Ouyang been practicing?
Dr. Ouyang graduated from medical school in 2014, 12 years ago.
Does Dr. Da Ouyang do research?
Dr. Ouyang has worked on 2 clinical trials.
What insurance does Dr. Da Ouyang accept?
Dr. Ouyang is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to cardiovascular disease practices?
See cardiologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card