John Lam, MD
Infectious Disease Physician · Los Angeles, CA
John Lam, MD is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1003555772, issued on Jun 1, 2022. Check the license (California A179063, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Lam
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A179063 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza Suite 365-C, Los Angeles, CA 90095
- Phone
- (310) 206-7663
- Enumerated
- Jun 1, 2022
- Record last updated
- Jul 26, 2022
- Fax
- (310) 794-9718
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify John Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A179063Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average infectious disease physician in 2024
82 Medicare Part D claims for 16 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin12 claims
- Ethambutol Hcl12 claims
- Isoniazid12 claims
- Rifampin12 claims
- Cefdinir11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
John Lam among 1,119 infectious disease physician records in California
John Lam, MD is one of 1,119 infectious disease 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 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- 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 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Los Angeles → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Oladunni Adeyiga, MDLos Angeles, CA 900951801809751
- Timothy Brewer, MDLos Angeles, CA 900951174523245
- Judith Currier, MDLos Angeles, CA 900951508882614
- Milan Fiala, MDLos Angeles, CA 900951730270737
- Aric Gregson, MDLos Angeles, CA 900951588683007
- Bernard Kubak, MDLos Angeles, CA 900951831118876
- Michael Lovett, MDLos Angeles, CA 900951053330902
- Glenn Mathisen, MDLos Angeles, CA 900951376564948
Common questions
What is John Lam, MD's NPI number?
John Lam, MD's National Provider Identifier (NPI) is 1003555772, issued on Jun 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is John Lam, MD located?
The NPPES record lists a practice address at 200 Medical Plaza Suite 365-C, Los Angeles, CA, 90095. Phone: (310) 206-7663. Providers update this record themselves, so call before visiting.
How can I verify John Lam, MD's license?
NPPES lists California license number A179063, 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 John Lam, MD prescribe under Medicare Part D?
In 2024, John Lam, MD had 82 Medicare Part D claims for 16 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is John Lam, MD's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.