Francis Lam
Internal Medicine Physician · Sacramento, CA
Francis Lam is an internal medicine physician with a practice address in Sacramento, California, and NPI 1952677445, issued on Mar 28, 2012. Check the license (California A126870, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Francis Lam
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A126870 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St Ste 3400, Sacramento, CA 95817
- Phone
- (916) 734-2812
- Enumerated
- Mar 28, 2012
- Record last updated
- Feb 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20171026003606); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4150 V St Ste 3400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Albertson, MD, PHD, MPHCritical Care Medicine (Internal Medicine) Physician1184607236
- Katyayini Aribindi, M.D.Critical Care Medicine (Internal Medicine) Physician1902338122
- Paul Aronowitz, MDInternal Medicine Physician1023109063
- Simon Ascher, M.D., M.P.H.Hospitalist Physician1558604835
- Rinita ChakrapaniInternal Medicine Physician1134573561
- Florence Chau-Etchepare, MDInternal Medicine Physician1558650721
Verify Francis Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,163 Medicare Part D claims for 193 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Albuterol Sulfate Hfa146 claims
- Advair Hfa145 claims
- Spiriva Respimat107 claims
- Prednisone106 claims
- Alvesco72 claims
- Stiolto Respimat68 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Francis Lam among 17,696 internal medicine physician records in California
Francis Lam is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nelson Chiang, M.D.Sacramento, CA 958171326021494
- Robert Derlet, MDSacramento, CA 958171902887433
- Lynne Do, M.D.Sacramento, CA 958171386627644
- Jason Ferries, M.D.Sacramento, CA 958171609859974
- Steven Griffen, M.D.Sacramento, CA 958171053393835
- Diane Haddock, M.D.Sacramento, CA 958171013991553
- Calvin Hirsch, MDSacramento, CA 958171073597332
- Hershan Johl, MDSacramento, CA 958171255314399
Common questions
What is Francis Lam's NPI number?
Francis Lam's National Provider Identifier (NPI) is 1952677445, issued on Mar 28, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Francis Lam located?
The NPPES record lists a practice address at 4150 V St Ste 3400, Sacramento, CA, 95817. Phone: (916) 734-2812. Providers update this record themselves, so call before visiting.
How can I verify Francis Lam's license?
NPPES lists California license number A126870, 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 Francis Lam prescribe under Medicare Part D?
In 2024, Francis Lam had 1,163 Medicare Part D claims for 193 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.