Jason Lou Xu, MD
Family Medicine Physician · San Diego, CA
Jason Lou Xu, MD is a family medicine physician with a practice address in San Diego, California, and NPI 1518602804, issued on May 1, 2022. Check the license (California A189268, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Lou Xu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A189268 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9333 Genesee Ave Ste 200, San Diego, CA 92121
- Phone
- (800) 926-8273
- Enumerated
- May 1, 2022
- Record last updated
- Jul 28, 2025
- Fax
- (888) 539-8781
- Medicare enrollment
- Enrolled (PECOS I20250813000720); accepts Medicare assignment
- Medical or professional school
- Un Of California, Irvine, College Of Medicine, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 9333 Genesee Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Lou Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
182 Medicare Part D claims for 50 beneficiaries, against an average of 3,544 among the 117,163 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
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Lou Xu among 17,133 family medicine physician records in California
Jason Lou Xu, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Basil Abramowitz, M.D.San Diego, CA 921211104832047
- Stanley Besser, M.D.San Diego, CA 921211760490031
- Patricia Brady, M.D.San Diego, CA 921211952390437
- Amy Chilingirian, DOSan Diego, CA 921211477516706
- Silvia Del Riego, M.D.San Diego, CA 921211063431591
- Cindy Hsu, MDSan Diego, CA 921211609980770
- Christopher Kelsey, MDSan Diega, CA 921211902867419
- Jane Kim, D.O.San Diego, CA 921211497785810
Common questions
What is Jason Lou Xu, MD's NPI number?
Jason Lou Xu, MD's National Provider Identifier (NPI) is 1518602804, issued on May 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Jason Lou Xu, MD located?
The NPPES record lists a practice address at 9333 Genesee Ave Ste 200, San Diego, CA, 92121. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Jason Lou Xu, MD's license?
NPPES lists California license number A189268, 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 Jason Lou Xu, MD prescribe under Medicare Part D?
In 2024, Jason Lou Xu, MD had 182 Medicare Part D claims for 50 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.