Jim W. Lam, M.D.
Family Medicine Physician · Laguna Niguel, CA
Jim W. Lam, M.D. is a family medicine physician with a practice address in Laguna Niguel, California, and NPI 1548200686, issued on Jun 7, 2006. Check the license (California G51171, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jim W. Lam
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G51171 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27231 LA Paz RD, Laguna Niguel, CA 92677
- Phone
- (949) 643-9111
- Enumerated
- Jun 7, 2006
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (949) 643-8916
- Medicare enrollment
- Enrolled (PECOS I20080204000249); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 27231 LA Paz RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justine Bello, M.D.Family Medicine Physician1629237276
- Timothy Huston, MDFamily Medicine Physician1124091129
- John Meehan, M.D.General Practice Physician1992778989
- William Steffan, MDFamily Medicine Physician1790758431
Verify Jim W. Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G51171Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
329 Medicare Part D claims for 231 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin95 claims
- Doxycycline Hyclate36 claims
- Paxlovid24 claims
- Amoxicillin-Clavulanate Potass14 claims
- Colesevelam Hcl13 claims
- Mupirocin13 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
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jim W. Lam among 17,133 family medicine physician records in California
Jim W. Lam, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1982 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 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).
25 family medicine physician records list a practice address in Laguna Niguel
They are 25 of the 885 NPPES records with a practice address in Laguna Niguel, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Laguna Niguel → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Justine Bello, M.D.Laguna Niguel, CA 926771629237276
- Angela Calton, M.D.Laguna Niguel, CA 926771043219595
- Norman Coakley, D.O.Laguna Niguel, CA 926771801912274
- Paul Corona, M.D.Laguna Niguel, CA 926771194876219
- Karen Fu, M.DLaguna Niguel, CA 926771528007861
- Behnaz Haghighi Motlagh, M.D.Laguna Niguel, CA 926771902125776
- Timothy Huston, MDLaguna Niguel, CA 926771124091129
- Michael KentLaguna Niguel, CA 926771952335598
Common questions
What is Jim W. Lam, M.D.'s NPI number?
Jim W. Lam, M.D.'s National Provider Identifier (NPI) is 1548200686, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jim W. Lam, M.D. located?
The NPPES record lists a practice address at 27231 LA Paz RD, Laguna Niguel, CA, 92677. Phone: (949) 643-9111. Providers update this record themselves, so call before visiting.
How can I verify Jim W. Lam, M.D.'s license?
NPPES lists California license number G51171, 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 Jim W. Lam, M.D. prescribe under Medicare Part D?
In 2024, Jim W. Lam, M.D. had 329 Medicare Part D claims for 231 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.