Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Derrick Alexander Lam, MD

Individual provider Internal Medicine Physician · NPI 1740841899

Dr. Derrick Alexander Lam, MD is an Internal Medicine in Danbury, Connecticut. Qualified in 2018, 8 years ago. Practices with Connecticut Institute for Communities Inc, a 42-clinician group. Licensed in Illinois.

Years since qualifying
8
Licensed in
IL
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

120 Main St Fl 3
Danbury, CT 06810-7834
Phone: (203) 743-9760
Fax: (203) 743-3411
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 036.160299 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036.160299 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1740841899
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2019
Last updated in NPPESJune 28, 2023
Certification dateJune 28, 2023
Mailing address120 Main St Fl 3, Danbury, CT 06810-7834

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Connecticut Institute For Communities Inc — 42 clinicians
Accepts Medicare assignment Not indicated

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