Quick answers
- Which hospitals does Derrick A. Lam work at?
- Medicare's official clinician data lists Derrick A. Lam at 1 hospital: Danbury Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derrick A. Lam see patients?
- Medicare's clinician data lists 2 practice locations, including Danbury, CT. Call before your visit to confirm the address.
- What is Derrick A. Lam's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Derrick A. Lam accept Medicare assignment?
- Medicare's clinician data says Derrick A. Lam may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Derrick A. Lam?
- (203) 743-9760, as listed in official Medicare / NPI Registry data.
- What is Derrick A. Lam's NPI number?
- 1740841899. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derrick A. Lam works
Medicare's Facility Affiliation Data lists Derrick A. Lam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Danbury HospitalDanbury, CT · Acute Care Hospital · CCN 070033
Practice locations
Addresses where Derrick A. Lam is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 Main StDanbury, CT 06810 (203) 743‑9760
- 120 Main St, Fl 4Danbury, CT 06810
Group practices
Medicare enrollment lists Derrick A. Lam as a member of this group (CMS data updated 2026-10-02).
- Connecticut Institute for Communities Inc44 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Danbury
Clinicians with the same Medicare primary specialty in Danbury, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1740841899 |
| 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