John Hau Lien, MD
Cardiovascular Disease Physician · San Jose, CA
John Hau Lien, MD is a cardiovascular disease physician with a practice address in San Jose, California, and NPI 1932291648, issued on Sep 29, 2006. Check the license (California 0G63910, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Hau Lien
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 0G63910 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Jose Figueres Ave, San Jose, CA 95116
- Phone
- (408) 251-7900
- Enumerated
- Sep 29, 2006
- Record last updated
- Apr 10, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (408) 258-3100
- Medicaid ID
- 00G639100 CA
- Medicare enrollment
- Enrolled (PECOS I20050426001506); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 200 Jose Figueres Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fakhar Abbas, MDInternal Medicine Physician1578022422
- Mohammed Ahmed, M.D.Cardiovascular Disease Physician1770593105
- Munawar Alavi, M.D.Specialist1851334403
- Manjari Aravamuthan, M.DInternal Medicine Physician1154410322
- Ly Do, M.D.Radiation Oncology Physician1376706929
- Morteza Dowlatshahi, M.D.Radiation Oncology Physician1437112158
Verify John Hau Lien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 0G63910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
7,818 Medicare Part D claims for 1,135 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Metoprolol Succinate830 claims
- Eliquis730 claims
- Rosuvastatin Calcium620 claims
- Atorvastatin Calcium579 claims
- Amlodipine Besylate462 claims
- Olmesartan Medoxomil406 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,687.73
57 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 16,686 providers of this specialty with any payment received $3,819.56 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.
John Hau Lien among 2,574 cardiovascular disease physician records in California
John Hau Lien, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1987 · median 1999 among the 1,742 with a school on file
- Record last updated2009 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in San Jose → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Mohammed Ahmed, M.D.San Jose, CA 951161770593105
- Abdi Altafi, MDSan Jose, CA 951161578688214
- Fayaz Asghar, MDSan Jose, CA 951161356530406
- Adrian Ma, MDSan Jose, CA 951161952305971
- Thomas Alloggiamento, MDSan Jose, CA 951191881770386
- Kenneth Battaglia, MDSan Jose, CA 951191871679381
- Charlotte Hu, MDSan Jose, CA 951191588740013
- James Jang, MDSan Jose, CA 951191679651152
Common questions
What is John Hau Lien, MD's NPI number?
John Hau Lien, MD's National Provider Identifier (NPI) is 1932291648, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Hau Lien, MD located?
The NPPES record lists a practice address at 200 Jose Figueres Ave, San Jose, CA, 95116. Phone: (408) 251-7900. Providers update this record themselves, so call before visiting.
How can I verify John Hau Lien, MD's license?
NPPES lists California license number 0G63910, 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 John Hau Lien, MD prescribe under Medicare Part D?
In 2024, John Hau Lien, MD had 7,818 Medicare Part D claims for 1,135 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is John Hau Lien, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.