Yuwen W. Xu, MD
Internal Medicine Physician · San Francisco, CA
Yuwen W. Xu, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1184774994, issued on Jan 12, 2007. Check the license (California A74447, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yuwen W. Xu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A74447 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Ofarrell St, San Francisco, CA 94115
- Phone
- (415) 833-2000
- Enumerated
- Jan 12, 2007
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A744470 CA
- Medicare enrollment
- Enrolled (PECOS I20051018000737); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2200 Ofarrell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luba Abascal, MDInternal Medicine Physician1023180874
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- Lesley Aiken, MDInternal Medicine Physician1629156120
- Jonathan Alexander, MDHospitalist Physician1811075450
- Gabull Alhadhrami, NPAcute Care Nurse Practitioner1427124098
- Bryan Andrews, MDAnesthesiology Physician1609954239
Verify Yuwen W. Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,818 Medicare Part D claims for 1,365 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 98 claims were for opioids.
Most prescribed
- Atorvastatin Calcium568 claims
- Amlodipine Besylate516 claims
- Losartan Potassium275 claims
- Alendronate Sodium231 claims
- Lisinopril192 claims
- Lisinopril-Hydrochlorothiazide192 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 1,318 in San Francisco → All 17,696 in California → Every provider in San Francisco →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Yuwen W. Xu, MD's NPI number?
Yuwen W. Xu, MD's National Provider Identifier (NPI) is 1184774994, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yuwen W. Xu, MD located?
The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.
How can I verify Yuwen W. Xu, MD's license?
NPPES lists California license number A74447, 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 Yuwen W. Xu, MD prescribe under Medicare Part D?
In 2024, Yuwen W. Xu, MD had 6,818 Medicare Part D claims for 1,365 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.