Dr. Da Ouyang, MD

  • Santa Clara, CA
  • Cardiologist
NPI1235549460PAC ID4587082896
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Santa Clara Medical Center

Hospital · Santa Clara, California

See all 5 affiliations

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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 and contact details
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
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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.

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.

See all 5 affiliations for Dr. Ouyang

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.

EHR by site
SiteEHR vendor and product
Santa Clara Medical CenterAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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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, CaliforniaPrimaryLicense A138463 · 2015 to 2027 · taxonomy 207RC0000X

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.

Medicare services, 2024447
Medicare patients326
Paid by Medicare$28,968
Procedure codes5

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.

See all procedures by Dr. Ouyang

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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.

Medicare patients, 2024326
Average age77
Average risk score3.07
Also on Medicaid43%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Heart failure68%
  5. Arthritis64%
  6. Diabetes58%
  7. Atrial fibrillation53%
  8. 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

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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

$1.8Kin total
  • 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.

See all payments to Dr. Ouyang

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.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of 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

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Da Ouyang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

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