Yashna Lamsal, DO
Internal Medicine Physician · Fairfield, CA
Yashna Lamsal, DO is an internal medicine physician with a practice address in Fairfield, California, and NPI 1477257699, issued on Mar 30, 2023. Check the license (California 20A25428, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yashna Lamsal
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A25428 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2470 Hilborn RD Ste 200, Fairfield, CA 94534
- Phone
- (707) 646-5500
- Enumerated
- Mar 30, 2023
- Record last updated
- Jul 27, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Yashna Lamsal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A25428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
219 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium13 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.
Yashna Lamsal among 17,696 internal medicine physician records in California
Yashna Lamsal, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 internal medicine physician records list a practice address in Fairfield
They are 54 of the 3,595 NPPES records with a practice address in Fairfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fairfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amanda Adkins, M.D.Fairfield, CA 945341568635704
- Josefina Arenas, M.DFairfield, CA 945341518926484
- Clarisse Cadang, M.D.Fairfield, CA 945341588083075
- Larissa Chartrand, M.D.Fairfield, CA 945341851715627
- Gurpreet Dhugga, MDFairfield, CA 945341356429161
- Richard Fleming, M.D.Fairfield, CA 945341831277722
- Andrew Glickstein, M.D.Fairfield, CA 945341891231825
- Ella Gupta, D.OFairfield, CA 945341811157126
Common questions
What is Yashna Lamsal, DO's NPI number?
Yashna Lamsal, DO's National Provider Identifier (NPI) is 1477257699, issued on Mar 30, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Yashna Lamsal, DO located?
The NPPES record lists a practice address at 2470 Hilborn RD Ste 200, Fairfield, CA, 94534. Phone: (707) 646-5500. Providers update this record themselves, so call before visiting.
How can I verify Yashna Lamsal, DO's license?
NPPES lists California license number 20A25428, 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 Yashna Lamsal, DO prescribe under Medicare Part D?
In 2024, Yashna Lamsal, DO had 219 Medicare Part D claims for 77 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.