William Le
Hospitalist Physician · Mountain View, CA
William Le is a hospitalist physician with a practice address in Mountain View, California, and NPI 1134489594, issued on May 19, 2012. Check the license (California A141124, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Le
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A141124 CA
Self-reported in NPPES; status is on the state search - Practice location
- 701 E EL Camino Real, Mountain View, CA 94040
- Phone
- (650) 934-7808
- Enumerated
- May 19, 2012
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160812001023); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 701 E EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Olga Afanasiev, MD, PHDDermatology Physician1669869384
Verify William Le in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A141124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Le among 3,099 hospitalist physician records in California
William Le is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 51% of them.
- NPI issued2012 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2011 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 hospitalist physician records list a practice address in Mountain View
They are 36 of the 2,467 NPPES records with a practice address in Mountain View, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Mountain View → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Benjamin Chang, MDMountain View, CA 940401639185143
- Ryan Collins, M.D.Mountain View, CA 940401760442958
- Mahsa Esfahani, MDMountain View, CA 940401447205547
- Jose Fuentes, MDMountain View, CA 940401306944947
- Gregory KatoMountain View, CA 940401104924760
- Michael LimMountain View, CA 940401205934700
- Shreyas Mallur, M.D.Mountain View, CA 940401063519312
- Yen Nguyen, MDMountain View, CA 940401669567079
Common questions
What is William Le's NPI number?
William Le's National Provider Identifier (NPI) is 1134489594, issued on May 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Le located?
The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 934-7808. Providers update this record themselves, so call before visiting.
How can I verify William Le's license?
NPPES lists California license number A141124, 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.
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.