Leon Lenchik, MD
Diagnostic Radiology Physician · Stanford, CA
Leon Lenchik, MD is a diagnostic radiology physician with a practice address in Stanford, California, and NPI 1871578336, issued on Dec 7, 2005. Check the license (California G80571, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leon Lenchik
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G80571 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Dec 7, 2005
- Record last updated
- Oct 20, 2025
- Medicaid IDs
- 7213841 VA
220677000 WV
8951723 NC
Q00607 SC - Medicare enrollment
- Enrolled (PECOS I20081118000318); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1990
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cooper Aakhus, MDEmergency Medicine Physician1194351007
- Oliver Aalami, M.D.Vascular Surgery Physician1225229024
- Alistair Aaronson, MDInternal Medicine Physician1457628760
- Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Leon Lenchik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G80571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4 hospitals and group practices
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
- Wake Forest Baptist Imaging LLCWinston Salem, NC
- Wake Forest Health Network LLCHigh Point, NC
- Wake Forest University Health SciencesWinston Salem, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Leon Lenchik among 4,500 diagnostic radiology physician records in California
Leon Lenchik, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1990 · median 2004 among the 3,130 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
235 diagnostic radiology physician records list a practice address in Stanford
They are 235 of the 5,606 NPPES records with a practice address in Stanford, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Stanford → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Robert Boutin, MDStanford, CA 943051922088236
- Joseph Demartini, MDStanford, CA 943051043297096
- Aaron Hayashi, MDStanford, CA 943051336104082
- Kathy Keller, MDStanford, CA 943051255395257
- Mayil Krishnam, MDStanford, CA 943051467481192
- Curtis Langlotz, MD PHDStanford, CA 943051538105077
- Darren Lum, M.D.Stanford, CA 943051528011806
- Ragu Nathan, MDStanford, CA 943051467413344
Common questions
What is Leon Lenchik, MD's NPI number?
Leon Lenchik, MD's National Provider Identifier (NPI) is 1871578336, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leon Lenchik, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Leon Lenchik, MD's license?
NPPES lists California license number G80571, 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.