Hong Thu Lam
Pharmacist · San Marcos, CA
Hong Thu Lam is a pharmacist with a practice address in San Marcos, California, and NPI 1720532468, issued on Aug 11, 2016. Check the license (California 51738, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hong Thu Lam
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 51738 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1571 San Elijo RD S, San Marcos, CA 92078
- Phone
- (760) 798-2824
- Enumerated
- Aug 11, 2016
- Record last updated
- Aug 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 1571 San Elijo RD S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jill Elsdon, FNPFamily Nurse Practitioner1346327020
- Cheryl Jucksch, FNP-BCFamily Nurse Practitioner1952538993
- Chihee KimPharmacist1811377369
- Lundy Lee, PHARMDPharmacist1730203787
- Jessica Steiner, RPH, PHARMDPharmacist1376913467
Verify Hong Thu Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 51738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
63 Medicare Part D claims for 61 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 86% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Arexvy23 claims
- Shingrix20 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.
Hong Thu Lam among 32,533 pharmacist records in California
Hong Thu Lam is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 47% of them.
- NPI issued2016 · 47% of these records are older, 47% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 pharmacist records list a practice address in San Marcos
They are 96 of the 1,985 NPPES records with a practice address in San Marcos, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Marcos → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Najlaa Al-Jibouri, PHARM DSan Marcos, CA 920781447438965
- Theresa Bach, PHARMD.San Marcos, CA 920781740501147
- Rose Feaver, PHARM.D.San Marcos, CA 920781043451404
- Leonard Koda, PH.D.San Marcos, CA 920781568507663
- Janice Lambert, PHARMDSan Marcos, CA 920781740450451
- Lundy Lee, PHARMDSan Marcos, CA 920781730203787
- Michael Lenzner, R.PH.San Marcos, CA 920781013230655
- Edward Martinez, PHARM D.San Marcos, CA 920781114195286
Common questions
What is Hong Thu Lam's NPI number?
Hong Thu Lam's National Provider Identifier (NPI) is 1720532468, issued on Aug 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Hong Thu Lam located?
The NPPES record lists a practice address at 1571 San Elijo RD S, San Marcos, CA, 92078. Phone: (760) 798-2824. Providers update this record themselves, so call before visiting.
How can I verify Hong Thu Lam's license?
NPPES lists California license number 51738, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hong Thu Lam prescribe under Medicare Part D?
In 2024, Hong Thu Lam had 63 Medicare Part D claims for 61 beneficiaries; the average among pharmacist prescribers was 119. 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.