Alex Chien Lu, MD
Internal Medicine Physician · Irvine, CA
Alex Chien Lu, MD is an internal medicine physician with a practice address in Irvine, California, and NPI 1144211350, issued on Nov 4, 2005. Check the license (California A65680, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alex Chien Lu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A65680 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Willard, Irvine, CA 92604
- Phone
- (949) 262-5000
- Enumerated
- Nov 4, 2005
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A656800 CA
- Medicare enrollment
- Enrolled (PECOS I20090212000517); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 6 Willard
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jun Ho Chae, M.D.Family Medicine Physician1003811969
- Anne Chandsawang, D.O.Family Medicine Physician1679756118
- Carren ChangPharmacist1891234696
- Annie ChauPharmacist1245778265
Verify Alex Chien Lu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A65680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alex Chien Lu among 17,696 internal medicine physician records in California
Alex Chien Lu, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 internal medicine physician records list a practice address in Irvine
They are 155 of the 7,778 NPPES records with a practice address in Irvine, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Irvine → Internal Medicine Physician nationwide →
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- Keith Lee, MDIrvine, CA 926041699766188
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Common questions
What is Alex Chien Lu, MD's NPI number?
Alex Chien Lu, MD's National Provider Identifier (NPI) is 1144211350, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alex Chien Lu, MD located?
The NPPES record lists a practice address at 6 Willard, Irvine, CA, 92604. Phone: (949) 262-5000. Providers update this record themselves, so call before visiting.
How can I verify Alex Chien Lu, MD's license?
NPPES lists California license number A65680, 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 Alex Chien Lu, MD prescribe under Medicare Part D?
In 2024, Alex Chien Lu, MD had 19 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.