Quick answers
- Which hospitals does Sean C. Lai work at?
- Medicare's official clinician data lists Sean C. Lai at 3 hospitals: Monterey Park Hospital, Saint John's Health Center and Southern California Hospital at Hollywood. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean C. Lai see patients?
- Medicare's clinician data lists 1 practice location in Santa Monica, CA. Call before your visit to confirm the address.
- What is Sean C. Lai's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Sean C. Lai accept Medicare assignment?
- Yes. Medicare's clinician data says Sean C. Lai accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Sean C. Lai offer telehealth?
- Medicare's clinician data says Sean C. Lai offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sean C. Lai?
- (310) 453-0553, as listed in official Medicare / NPI Registry data.
- What is Sean C. Lai's NPI number?
- 1396739470. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean C. Lai works
Medicare's Facility Affiliation Data lists Sean C. Lai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Monterey Park HospitalMonterey Park, CA · Acute Care Hospital · CCN 050736
- Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · CCN 050290
- Southern California Hospital at HollywoodHollywood, CA · Acute Care Hospital · CCN 050135
Practice locations
Addresses where Sean C. Lai is enrolled with Medicare (CMS data updated 2026-10-02).
- 2001 Santa Monica Blvd, Suite 1286wSanta Monica, CA 90404 (310) 453‑0553
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396739470 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians