NPPES file of Aug 9, 2026

Jeffrey Lam, PA-C

Physician Assistant · Sunnyvale, CA

Jeffrey Lam, PA-C is a physician assistant with a practice address in Sunnyvale, California, and NPI 1851022735, issued on Jun 21, 2022. Check the license (California PA61407, 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
1851022735
Name
Jeffrey Lam
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA61407 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Old San Francisco RD, Sunnyvale, CA 94086
Phone
(408) 730-4262
Enumerated
Jun 21, 2022
Record last updated
Apr 22, 2025
Medicare enrollment
Enrolled (PECOS I20221024000377); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2022
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 301 Old San Francisco RD

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

  1. Zubia Ahmad, MDInternal Medicine Physician1265879522
  2. Syed Salman Ali, MDInternal Medicine Physician1740621671
  3. Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
  4. Aisha AminInternal Medicine Physician1013440981
  5. Joyce Ang, MDPediatrics Physician1346634698
  6. Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709

Verify Jeffrey Lam 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 PA61407
    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
Find the California license search

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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22% fewer Medicare Part D claims than the average physician assistant in 2024

645 Medicare Part D claims for 137 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Jeffrey Lam645
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium54 claims
  2. Amlodipine Besylate31 claims
  3. Lisinopril31 claims
  4. Losartan Potassium22 claims
  5. Hydrochlorothiazide19 claims
  6. Allopurinol18 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.

Industry payments in 2024: $955.61

59 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Lam$955.61
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSunnyvale, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jeffrey Lam among 14,451 physician assistant records in California

Jeffrey Lam, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% 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 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2022 · median 2018 among the 7,214 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 physician assistant records list a practice address in Sunnyvale

They are 27 of the 1,690 NPPES records with a practice address in Sunnyvale, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Arthur BonhamSunnyvale, CA 940861063587228
  2. Jean Cho, PA-CSunnyvale, CA 940861073663969
  3. Harvey Chong, PA-CSunnyvale, CA 940861982070744
  4. Lauren Dodd, PA-CSunnyvale, CA 940861932451663
  5. Jenny Duong, PASunnyvale, CA 940861083460307
  6. Lisa LeeSunnyvale, CA 940861649844812
  7. Stanley Ma, P.A.Sunnyvale, CA 940861871881755
  8. Madeleine Ma, PA-CSunnyvale, CA 940861376158907

Common questions

What is Jeffrey Lam, PA-C's NPI number?

Jeffrey Lam, PA-C's National Provider Identifier (NPI) is 1851022735, issued on Jun 21, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Lam, PA-C located?

The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-4262. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Lam, PA-C's license?

NPPES lists California license number PA61407, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jeffrey Lam, PA-C prescribe under Medicare Part D?

In 2024, Jeffrey Lam, PA-C had 645 Medicare Part D claims for 137 beneficiaries; the average among physician assistant prescribers was 830. 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.