NPPES file of Aug 9, 2026

Alexander Michael Lam, M.D.

Emergency Medicine Physician · San Jose, CA

Alexander Michael Lam, M.D. is an emergency medicine physician with a practice address in San Jose, California, and NPI 1528238656, issued on Mar 5, 2008. Check the license (California A102774, as entered in NPPES) on the Medical Board of California; 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
1528238656
Name
Alexander Michael Lam
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A102774 CA
Self-reported in NPPES; status is on the state search
Practice location
751 S Bascom Ave, San Jose, CA 95128
Phone
(408) 885-2334
Enumerated
Mar 5, 2008
Record last updated
Oct 28, 2022
Medicare enrollment
Enrolled (PECOS I20090123000209); accepts Medicare assignment
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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8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 751 S Bascom Ave

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

  1. Puya Abbassi, D.O.Neurology Physician1831695428
  2. Abolghasem Abdoli, MDNeonatal-Perinatal Medicine Physician1790757441
  3. Erik Abernethy, PAPhysician Assistant1649577354
  4. Christopher Abrinko, RESIDENT PHYSICIANStudent in an Organized Health Care Education/Training Program1649017328
  5. Cherine Abu-Eid, MDAnesthesiology Physician1033173307
  6. Pallavi AcharyaClinical Social Worker1154807873

Verify Alexander Michael Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A102774    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
Open 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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2.2 times the Medicare Part D claims of the average emergency medicine physician in 2024

498 Medicare Part D claims for 310 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 64 claims were for opioids.

  1. Alexander Lam498
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt82 claims
  2. Hydrocodone-Acetaminophen54 claims
  3. Cefpodoxime Proxetil37 claims
  4. Amoxicillin-Clavulanate Potass30 claims
  5. Naproxen29 claims
  6. Cephalexin19 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: $145.92

1 payment: food and beverage; the largest payer was Penumbra, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexander Lam$145.92
  2. Specialty average$953.79

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. Permanente Medical Group IncSanta Rosa, CA

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

Alexander Michael Lam among 7,751 emergency medicine physician records in California

Alexander Michael Lam, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2004 · median 2011 among the 4,560 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

All 7,751 in California → Every provider in San Jose → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Meenesh Bhimani, MDSan Jose, CA 951281598712069
  2. Jan Bravo, MDSan Jose, CA 951281083651657
  3. Michael Chin, MDSan Jose, CA 951281700824042
  4. Howard Davis, MDSan Jose, CA 951281164464319
  5. Joan Gates, M.D.San Jose, CA 951281245213727
  6. Steve Germany, DOSan Jose, CA 951281326076241
  7. Gregory Groetsema, MDSan Jose, CA 951281790727873
  8. Benjamin Hafkenschiel, MDSan Jose, CA 951281710940457

Common questions

What is Alexander Michael Lam, M.D.'s NPI number?

Alexander Michael Lam, M.D.'s National Provider Identifier (NPI) is 1528238656, issued on Mar 5, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Michael Lam, M.D. located?

The NPPES record lists a practice address at 751 S Bascom Ave, San Jose, CA, 95128. Phone: (408) 885-2334. Providers update this record themselves, so call before visiting.

How can I verify Alexander Michael Lam, M.D.'s license?

NPPES lists California license number A102774, 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 Alexander Michael Lam, M.D. prescribe under Medicare Part D?

In 2024, Alexander Michael Lam, M.D. had 498 Medicare Part D claims for 310 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.