Quick answers
- Which hospitals does Si-Hoi Lam work at?
- Medicare's official clinician data lists Si-Hoi Lam at 1 hospital: Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Si-Hoi Lam see patients?
- Medicare's clinician data lists 1 practice location in Branford, CT. Call before your visit to confirm the address.
- What is Si-Hoi Lam's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Si-Hoi Lam accept Medicare assignment?
- Yes. Medicare's clinician data says Si-Hoi Lam 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.
- What is the phone number for Si-Hoi Lam?
- (203) 483-6285, as listed in official Medicare / NPI Registry data.
- What is Si-Hoi Lam's NPI number?
- 1477574929. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Si-Hoi Lam works
Medicare's Facility Affiliation Data lists Si-Hoi Lam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Si-Hoi Lam is enrolled with Medicare (CMS data updated 2026-10-02).
- 173 Montowese StBranford, CT 06405 (203) 483‑6285
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Branford
Clinicians with the same Medicare primary specialty in Branford, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477574929 |
| 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