Sean C. Lai, M.D,
Specialist · Santa Monica, CA
Sean C. Lai, M.D, is a specialist with a practice address in Santa Monica, California, and NPI 1396739470, issued on Sep 6, 2005. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sean C. Lai
- Credential
- M.D,
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 2001 Santa Monica Blvd, Santa Monica, CA 90404
- Phone
- (310) 453-0553
- Enumerated
- Sep 6, 2005
- Record last updated
- Jun 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (310) 943-2776
- Medicaid ID
- G40912 CA
- Medicare enrollment
- Enrolled (PECOS I20040331001729); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2001 Santa Monica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Abergel, M.D.Dermatology Physician1841565843
- Mehrdad Aghajani, NPFamily Nurse Practitioner1588345334
- Peter Alexakis, M.D.Orthopaedic Surgery Physician1942369152
- Robert Amonic, MDPlastic and Reconstructive Surgery Physician1578577011
- Zoe Aron, M.D.Psychiatry Physician1396952545
- Stanton Axline, M.D.Infectious Disease Physician1437215803
Verify Sean C. Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average specialist in 2024
748 Medicare Part D claims for 131 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium109 claims
- Famotidine92 claims
- Lactulose61 claims
- Sucralfate39 claims
- Atorvastatin Calcium36 claims
- Metoclopramide Hcl30 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $28.96
1 payment: food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Sean C. Lai among 5,749 specialist records in California
Sean C. Lai, M.D, is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1976 · median 1989 among the 1,075 with a school on file
- Record last updated2015 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Santa Monica → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Robert Adair, M.D.Santa Monica, CA 904041629013321
- Prabhtej Brara, M.D.Santa Monica, CA 904041215917752
- John Edwards, M.DSanta Monica, CA 904041952326928
- Hyman Gross, M.D.Santa Monica, CA 904041356383350
- Robert Levin, M.D.Santa Monica, CA 904041992725527
- Terry Reichelderfer, M.D.Santa Monica, CA 904041992818736
- Lee Rosen, M.D.Santa Monica, CA 904041346295870
- John Schofield, D.O.Santa Monica, CA 904041205811023
Common questions
What is Sean C. Lai, M.D,'s NPI number?
Sean C. Lai, M.D,'s National Provider Identifier (NPI) is 1396739470, issued on Sep 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sean C. Lai, M.D, located?
The NPPES record lists a practice address at 2001 Santa Monica Blvd, Santa Monica, CA, 90404. Phone: (310) 453-0553. Providers update this record themselves, so call before visiting.
How can I verify Sean C. Lai, M.D,'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sean C. Lai, M.D, prescribe under Medicare Part D?
In 2024, Sean C. Lai, M.D, had 748 Medicare Part D claims for 131 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Sean C. Lai, M.D,'s MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.