Roy Lan, MD
Student in an Organized Health Care Education/Training Program · Stanford, CA
Roy Lan, MD is a student in an organized health care education/training program with a practice address in Stanford, California, and NPI 1063158111, issued on May 11, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Roy Lan
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-6661
- Enumerated
- May 11, 2022
- Record last updated
- May 11, 2022
- Fax
- (650) 498-6205
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 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.
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Verify Roy Lan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
224 Medicare Part D claims for 56 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium35 claims
- Losartan Potassium15 claims
- Amlodipine Besylate12 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.
Roy Lan among 40,652 student in an organized health care education/training program records in California
Roy Lan, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% 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 34% of them.
- NPI issued2022 · 34% of these records are older, 58% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2022 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
671 student in an organized health care education/training program records list a practice address in Stanford
They are 671 of the 5,606 NPPES records with a practice address in Stanford, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Stanford → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Stacy Banks, M.D.Stanford, CA 943051265613822
- Sundeep Bhat, M.D.Stanford, CA 943051821322108
- Paula Borges, M.D.Stanford, CA 943051689808008
- Frederick Dewey, M.D.Stanford, CA 943051457501884
- Melissa Dunagan, M.D.Stanford, CA 943051407044456
- Trish Ma, M.D.Stanford, CA 943051578695144
- Mary Mendoza-Newman, PH.D.Stanford, CA 943051912026246
- Lisa Pate, M.D., J.D.Stanford, CA 943051427246438
Common questions
What is Roy Lan, MD's NPI number?
Roy Lan, MD's National Provider Identifier (NPI) is 1063158111, issued on May 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Roy Lan, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-6661. Providers update this record themselves, so call before visiting.
How can I verify Roy Lan, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Roy Lan, MD prescribe under Medicare Part D?
In 2024, Roy Lan, MD had 224 Medicare Part D claims for 56 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.