Douglas Zhi-Wen Liou, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Palo Alto, CA
Douglas Zhi-Wen Liou, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Palo Alto, California, and NPI 1891052080, issued on Apr 12, 2012. Check the license (California A119889, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Douglas Zhi-Wen Liou
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- A119889 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Palo Alto, CA 94304
- Phone
- (650) 723-4000
- Enumerated
- Apr 12, 2012
- Record last updated
- Apr 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20180705000404); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Connor Adams, PSYDClinical Psychologist1467081216
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- Teddy Akiki, MDPsychiatry Physician1942867718
- Amy Alexander, M.D.Psychiatry Physician1740435486
- Monica Allen, PSYDClinical Psychologist1952787749
Verify Douglas Zhi-Wen Liou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
15 Medicare Part D claims for 11 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $756.74
15 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Stanford Health CareRedwood City, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Douglas Zhi-Wen Liou among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
Douglas Zhi-Wen Liou, M.D. is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 79% of them.
- NPI issued2012 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 1997 among the 408 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California
There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.
All 634 in California → Every provider in Palo Alto → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Thomas Burdon, M.D.Palo Alto, CA 943041215980347
- James Fann, M.D.Palo Alto, CA 943041750313268
- Michael Fischbein, M.D., PHDPalo Alto, CA 943041700811411
- Vincent Gaudiani, MDPalo Alto, CA 943041851317341
- Frank Hanley, MDPalo Alto, CA 943041083632624
- William Hiesinger, MDPalo Alto, CA 943041093913667
- John Lamberti, M.D.Palo Alto, CA 943041518038371
- Anson Lee, M.D.Palo Alto, CA 943041336237247
Common questions
What is Douglas Zhi-Wen Liou, M.D.'s NPI number?
Douglas Zhi-Wen Liou, M.D.'s National Provider Identifier (NPI) is 1891052080, issued on Apr 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Zhi-Wen Liou, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94304. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Douglas Zhi-Wen Liou, M.D.'s license?
NPPES lists California license number A119889, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglas Zhi-Wen Liou, M.D. prescribe under Medicare Part D?
In 2024, Douglas Zhi-Wen Liou, M.D. had 15 Medicare Part D claims for 11 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is Douglas Zhi-Wen Liou, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.