Dr. Yi-Ping Joseph Woo, MD

  • Stanford, CA
  • Cardiothoracic surgeon
NPI1043240120PAC ID5991897050
Medicare services, 2024
120
Medicare patients, 2024
89
Part D claims, 2024
22
Publications
331
Clinical trials
1
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 3 affiliations

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Dr. Yi-Ping Joseph Woo is a cardiothoracic surgeon in Stanford, California

Dr. Woo practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Woo's NPI, 1043240120, was assigned on July 4, 2006. Dr. Woo graduated from Perelman School of Medicine - Philadelphia in 1992. Dr. Woo's California license number on file is G128440.

NPI and contact details
Medicare PAC ID
5991897050
NPI enumeration date
July 4, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
60
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Yi-Ping Joseph Woo practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Woo's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Yi-Ping Joseph Woo is affiliated with 2 sites of care and 1 medical group

Dr. Woo's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Woo to 1 more hospital, named with a free account. Dr. Woo's employer is on file too: a hospital.

See all 3 affiliations for Dr. Woo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Yi-Ping Joseph Woo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Woo practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Yi-Ping Joseph Woo is one of 568 cardiothoracic surgeons in California

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Woo's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Woo is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Woo's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense G128440 · 2014 to 2025 · taxonomy 208G00000X
  • Pennsylvania licenseLicense MD055054L · 1993 to 2026

Clinical focus

Dmand AI lists heart bypass surgery and heart valve surgery among the conditions Dr. Woo treats.

Cardiothoracic surgeons near Dr. Woo

Counts of cardiothoracic surgeons 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. Yi-Ping Joseph Woo billed Medicare for 120 services in 2024

CMS data shows 120 Medicare services from Dr. Woo across 7 procedure codes in 2024, for 89 Medicare patients. Medicare paid $129,611 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024120
Medicare patients89
Paid by Medicare$129,611
Procedure codes7

Dr. Woo's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1072024: 12012%
Office and hospital visits
2023: 162024: 0100%

Dr. Woo compared with the California median for cardiothoracic surgeons, 2024

  • Dr. Woo
  • California median
Medicare services
120vs 1145% above
Medicare patients
89vs 956% below
Part D claims
26vs 1937% above

Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.

Dr. Woo'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. Woo

Need commercial claims for Dr. Woo?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Woo and other cardiothoracic surgeons in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Yi-Ping Joseph Woo treated 89 Medicare patients in 2024, average age 72

CMS counts 89 Medicare patients who saw Dr. Woo in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Woo's median patient age at 63, with 35% women.

Medicare patients, 202489
Average age72
Average risk score1.48
Also on Medicaid22%

Dr. Woo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Woo's Medicare patients by sex, 2024

  • Women2933%
  • Men6067%

Chronic conditions among Dr. Woo's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Atrial fibrillation72%
  5. Ischemic heart disease71%
  6. Heart failure69%
  7. Arthritis46%
  8. Diabetes34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Woo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women35%
  • Men64%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Yi-Ping Joseph Woo wrote 22 Medicare Part D claims in 2024

In 2024, Dr. Woo wrote 22 Medicare Part D claims. 82% of them were for generic drugs. They cover 2 drugs, with $210 in total drug cost.

Part D claims, 202422
Drugs named by CMS2
Total drug cost$210

Dr. Woo's Part D claims by kind of drug, 2024

  • Generic18 claims82%
  • Brand-name and other4 claims18%

Dr. Woo's most prescribed drugs by claims, 2016

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Woo

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. Yi-Ping Joseph Woo scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Woo for performance year 2024, reported as part of a group. Dr. Woo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of coronary artery bypass graft (cabg) by Dr. Woo, more than 50% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Woo's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Woo ranks in Medicare procedure volume

Coronary artery bypass graft (CABG)
50th percentile13 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. Yi-Ping Joseph Woo has 331 publications on record

Dmand AI links 331 papers to Dr. Woo, published from 2007 to 2025. 2020 was the busiest year, with 36. The most frequent topics are Heart Transplantation, Mitral Valve and Heart Failure. Dr. Woo has published most often in J Thorac Cardiovasc Surg. Dr. Woo's most frequent co-authors are Yuanjia Zhu, MD, Yasuhiro Shudo, MD and Hanjay Wang, MD.

Papers331
Years published2007 to 2025

Dr. Woo's papers by year, 2016 to 2025

Topics Dr. Woo writes about most

  • Heart Transplantation
  • Mitral Valve
  • Heart Failure
  • Mitral Valve Insufficiency
  • Aortic Valve
  • Heart Valve Prosthesis Implantation
  • Cardiac Surgical Procedures
  • Heart-Assist Devices

Dr. Woo's most frequent co-authors

Recent publications by Dr. Woo

See all 331 publications and co-authors

See who Dr. Woo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Woo works with, so you can find a warm path to the right cardiothoracic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Yi-Ping Joseph Woo has worked on 1 clinical trial

Dmand AI links Dr. Woo to 1 clinical trial. Conditions studied include Heart Failure and Heart Diseases.

Conditions in Dr. Woo's trials

  • Heart Failure
  • Heart Diseases

Recent clinical trials with Dr. Woo

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Yi-Ping Joseph Woo received $31,066 in industry payments from 2016 to 2025

CMS Open Payments shows 9 general payments to Dr. Woo from 2 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 90% of the total. Edwards Lifesciences Corporation paid the most, $30,187.

General payments to Dr. Woo by program year, 2016 to 2025

General payments to Dr. Woo by kind, 2016 to 2025

$31.1Kin total
  • Travel and lodging$27,90290%
  • Food and beverage$2,4878%
  • Education speaker fees$6782%

Companies that paid Dr. Woo the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Woo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Yi-Ping Joseph Woo has 1 award and honors on record

Dmand AI lists 1 award for Dr. Woo, most recently CMS Stage 1 EHR in 2012. Dr. Woo serves on 2013 ACCF/AHA Guideline for the Management of ST-Elevation Myocardial Infarction.

Awards and honors for Dr. Woo

  1. 2012
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Yi-Ping Joseph Woo graduated from Perelman School of Medicine - Philadelphia

Dr. Woo graduated from Perelman School of Medicine - Philadelphia in 1992.

  1. Medical schoolPerelman School of Medicine - Philadelphia
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in thoracic and cardiac surgeryAmerican Board of Thoracic Surgery

Source: Dmand AI Professional Profile Data

Dr. Yi-Ping Joseph Woo accepts plans from 10 insurance carriers

Dr. Woo is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Woo accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO4
  4. POS4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Yi-Ping Joseph Woo'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)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Yi-Ping Joseph Woo

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. Yi-Ping Joseph Woo's NPI number?

Dr. Yi-Ping Joseph Woo's NPI number is 1043240120. It was assigned on July 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Yi-Ping Joseph Woo?

Dr. Yi-Ping Joseph Woo is a cardiothoracic surgeon in Stanford, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. Yi-Ping Joseph Woo practice?

Dr. Woo practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Woo's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Woo to 1 hospital.

What is Dr. Yi-Ping Joseph Woo's office phone number?

The practice phone on file for Dr. Woo is (650) 723-4000.

What is Dr. Yi-Ping Joseph Woo's medical license number?

Dr. Woo's California license number on file is G128440, one of the licenses on file in 2 states.

Which states has Dr. Yi-Ping Joseph Woo been licensed in?

Dmand AI has state licenses on file for Dr. Woo in California (2014 to 2025) and Pennsylvania (1993 to 2026).

Which hospitals is Dr. Yi-Ping Joseph Woo affiliated with?

Dr. Woo practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Woo to 1 more hospital.

What medical group is Dr. Yi-Ping Joseph Woo part of?

Dr. Woo is linked to Stanford Health Care.

Does Dr. Yi-Ping Joseph Woo accept Medicare?

Yes. CMS data shows Dr. Woo billed Medicare for 120 services in 2024, and Dr. Woo accepts Medicare assignment.

What is Dr. Yi-Ping Joseph Woo's MIPS score?

Dr. Woo's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Yi-Ping Joseph Woo see?

CMS counts 89 Medicare patients who saw Dr. Woo in 2024, with an average age of 72.

Is Dr. Yi-Ping Joseph Woo board certified?

Yes. Dr. Woo is board certified in surgery by the American Board of Surgery.

What services does Dr. Yi-Ping Joseph Woo bill to Medicare?

In 2024, Dr. Woo's most billed Medicare services were surgery: heart and blood vessels (33427), surgery: heart and blood vessels (33257) and surgery: heart and blood vessels (33533).

Where did Dr. Yi-Ping Joseph Woo go to medical school?

Dr. Woo graduated from Perelman School of Medicine - Philadelphia in 1992.

What drugs does Dr. Yi-Ping Joseph Woo prescribe most?

In 2016 Medicare Part D data, Dr. Woo's most prescribed drugs by claims were Hydroxyzine HCl and Sertraline HCl.

Has Dr. Yi-Ping Joseph Woo received payments from drug or device companies?

CMS Open Payments shows $31,066 in general payments to Dr. Woo from 2 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Yi-Ping Joseph Woo been practicing?

Dr. Woo graduated from medical school in 1992, 34 years ago.

Does Dr. Yi-Ping Joseph Woo do research?

Dmand AI links 331 publications to Dr. Woo, published from 2007 to 2025. Dr. Woo has worked on 1 clinical trial.

Who does Dr. Yi-Ping Joseph Woo publish with?

Dr. Woo's most frequent co-authors are Yuanjia Zhu, MD (68 shared papers), Yasuhiro Shudo, MD (62 shared papers) and Hanjay Wang, MD (59 shared papers).

What insurance does Dr. Yi-Ping Joseph Woo accept?

Dr. Woo is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

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