NPPES file of Aug 9, 2026

Helen C. Lam, MD

Family Medicine Physician · San Francisco, CA

Helen C. Lam, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1750768677, issued on Apr 29, 2015. Check the license (California A147341, 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
1750768677
Name
Helen C. Lam
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A147341 CA
Self-reported in NPPES; status is on the state search
Practice location
2238 Geary Blvd FL 3, San Francisco, CA 94115
Phone
(415) 833-2291
Enumerated
Apr 29, 2015
Record last updated
Feb 16, 2022
Fax
(415) 833-2291
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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Verify Helen C. 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 A147341
    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

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96% fewer Medicare Part D claims than the average family medicine physician in 2024

135 Medicare Part D claims for 109 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Helen Lam135
  2. Specialty average3,544

Most prescribed

  1. Cefadroxil41 claims
  2. Doxycycline Monohydrate26 claims
  3. Amoxicillin-Clavulanate Potass13 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.

Helen C. Lam among 17,133 family medicine physician records in California

Helen C. Lam, MD is one of 17,133 family 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 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Payal Bhandari, M.D.San Francisco, CA 941151710922935
  2. Eduardo Dolhun, MDSan Francisco, CA 941151548328214
  3. Jeffrey Draisin, M.D.San Francisco, CA 941151356362883
  4. Arkady Gendelman, M.D.San Francisco, CA 941151104839620
  5. Lorena Hillman, MDSan Francisco, CA 941151659445963
  6. Sheena Kumar, MDSan Francisco, CA 941151346314663
  7. Alex Lin, MDSan Francisco, CA 941151639257298
  8. Robert Mitchell, MDSan Francisco, CA 941151871527523

Common questions

What is Helen C. Lam, MD's NPI number?

Helen C. Lam, MD's National Provider Identifier (NPI) is 1750768677, issued on Apr 29, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Helen C. Lam, MD located?

The NPPES record lists a practice address at 2238 Geary Blvd FL 3, San Francisco, CA, 94115. Phone: (415) 833-2291. Providers update this record themselves, so call before visiting.

How can I verify Helen C. Lam, MD's license?

NPPES lists California license number A147341, 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 Helen C. Lam, MD prescribe under Medicare Part D?

In 2024, Helen C. Lam, MD had 135 Medicare Part D claims for 109 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.