Quick answers
- Which hospitals does Louis Chu work at?
- Medicare's official clinician data lists Louis Chu at 3 hospitals: Beth Israel Deaconess Medical Center, Mount Auburn Hospital and Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Louis Chu see patients?
- Medicare's clinician data lists 4 practice locations, including Cambridge, MA, Boston, MA and Lexington, MA. Call before your visit to confirm the address.
- What is Louis Chu's specialty?
- Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery.
- Does Louis Chu accept Medicare assignment?
- Yes. Medicare's clinician data says Louis Chu 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 Louis Chu offer telehealth?
- Medicare's clinician data says Louis Chu offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Louis Chu?
- (781) 862-7500, as listed in official Medicare / NPI Registry data.
- What is Louis Chu's NPI number?
- 1326288473. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Louis Chu works
Medicare's Facility Affiliation Data lists Louis Chu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · CCN 220086
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · CCN 220002
- Winchester HospitalWinchester, MA · Acute Care Hospital · CCN 220105
Practice locations
Addresses where Louis Chu is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Mount Auburn StCambridge, MA 02138
- 330 Brookline AveBoston, MA 02215
- 330 Mount Auburn StCambridge, MA 02138
- 57 Bedford St, Suite 130Lexington, MA 02420 (781) 862‑7500
Group practices
Medicare enrollment lists Louis Chu as a member of these groups (CMS data updated 2026-10-02).
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group
- Mount Auburn Professional Services Inc231 clinicians in the group
Specialties
- Cardiac Surgeryprimary
- Thoracic Surgeryalso
Other cardiac surgeons in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326288473 |
| 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