Eugene Lam, MD
Gastroenterology Physician · La Quinta, CA
Eugene Lam, MD is a gastroenterology physician with a practice address in La Quinta, California, and NPI 1043257769, issued on Jun 1, 2006. Check the license (California A83230, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eugene Lam
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A83230 CA
Self-reported in NPPES; status is on the state search - Practice location
- 47647 Caleo Bay Dr Ste 210, La Quinta, CA 92253
- Phone
- (760) 771-1000
- Enumerated
- Jun 1, 2006
- Record last updated
- Jun 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (760) 771-9001
- Medicare enrollment
- Enrolled (PECOS I20060804000201); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 47647 Caleo Bay Dr Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eugene Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83230Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average gastroenterology physician in 2024
1,000 Medicare Part D claims for 325 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Pantoprazole Sodium220 claims
- Famotidine103 claims
- Omeprazole96 claims
- Gavilyte-G71 claims
- Sod Sulf-Potass Sulf-Mag Sulf59 claims
- Sucralfate47 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): 83.6 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).
Industry payments in 2024: $16.76
1 payment: food and beverage; the largest payer was Olympus America Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- First Choice Physician PartnersLa Quinta, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eugene Lam among 2,140 gastroenterology physician records in California
Eugene Lam, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1999 · median 2002 among the 1,538 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in La Quinta → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Thomas Norum, M.D.La Quinta, CA 922531013921360
- Carl West, M.D.La Quinta, CA 922531326019944
- Homan Abdollahzadeh, MDPalm Springs, CA 922621184634826
- Vijay Agarwal, M.D.Palm Springs, CA 922621609964154
- Mehrdad Asgeri, MDPalm Springs, CA 922621063453868
- Brian Cleary, MDPalm Springs, CA 922621972697829
- Howard Congress, M.D.Palm Springs, CA 922621104874593
- Jorge Gutierrez, M.D.Palm Springs, CA 922621215914221
Common questions
What is Eugene Lam, MD's NPI number?
Eugene Lam, MD's National Provider Identifier (NPI) is 1043257769, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eugene Lam, MD located?
The NPPES record lists a practice address at 47647 Caleo Bay Dr Ste 210, La Quinta, CA, 92253. Phone: (760) 771-1000. Providers update this record themselves, so call before visiting.
How can I verify Eugene Lam, MD's license?
NPPES lists California license number A83230, 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 Eugene Lam, MD prescribe under Medicare Part D?
In 2024, Eugene Lam, MD had 1,000 Medicare Part D claims for 325 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Eugene Lam, MD's MIPS final score?
The 2023 MIPS final score is 83.6 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.