NPPES file of Aug 9, 2026

David Victor Lem, PHARMD

Pharmacist · Santa Clara, CA

David Victor Lem, PHARMD is a pharmacist with a practice address in Santa Clara, California, and NPI 1104106772, issued on Aug 26, 2011. Check the license (California 55803, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104106772
Name
David Victor Lem
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
55803 CA
Self-reported in NPPES; status is on the state search
Practice location
710 Lawrence Expy Dept 362, Santa Clara, CA 95051
Phone
(669) 220-0091
Enumerated
Aug 26, 2011
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 710 Lawrence Expy Dept 362

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Megha DesaiPharmacist1184054454
  2. Rachael Hernandez, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1700390705
  3. May Jue, PHARMDPharmacist1962587238
  4. Selina Leung, PHARMDPharmacist1912096918
  5. An Pham, PHARMDAmbulatory Care Pharmacist1083394092
  6. Megan Phan, PHARMDPharmacist1649056409

Verify David Victor Lem in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 55803
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5.3 times the Medicare Part D claims of the average pharmacist in 2024

634 Medicare Part D claims for 268 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.

  1. David Lem634
  2. Specialty average119

Most prescribed

  1. Warfarin Sodium624 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.

David Victor Lem among 32,533 pharmacist records in California

David Victor Lem, PHARMD 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 2011, is newer than 18% of them.

  • NPI issued2011 · 18% of these records are older, 72% 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 updated2021 · 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).

266 pharmacist records list a practice address in Santa Clara

They are 266 of the 3,436 NPPES records with a practice address in Santa Clara, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Khanh-Linh Guerrero, PHARM.D.Santa Clara, CA 950511003917097
  2. Connie Ha, PHARM.D.Santa Clara, CA 950511760574743
  3. Ihn Han, RPHSanta Clara, CA 950511548247984
  4. Esther Kang-Kimm, PHARM.D.Santa Clara, CA 950511699868307
  5. Jing-Ing Lin-Kwok, PHARM.D.Santa Clara, CA 950511962595728
  6. Michelle Ma, PHARM.D.Santa Clara, CA 950511215029111
  7. Robyn Mah, PHARM.D.Santa Clara, CA 950511568554798
  8. Trilby Nguyen, PHARM DSanta Clara, CA 950511871687210

Common questions

What is David Victor Lem, PHARMD's NPI number?

David Victor Lem, PHARMD's National Provider Identifier (NPI) is 1104106772, issued on Aug 26, 2011. An NPI identifies a provider in billing; it is not a license.

Where is David Victor Lem, PHARMD located?

The NPPES record lists a practice address at 710 Lawrence Expy Dept 362, Santa Clara, CA, 95051. Phone: (669) 220-0091. Providers update this record themselves, so call before visiting.

How can I verify David Victor Lem, PHARMD's license?

NPPES lists California license number 55803, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does David Victor Lem, PHARMD prescribe under Medicare Part D?

In 2024, David Victor Lem, PHARMD had 634 Medicare Part D claims for 268 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.