Dr Derrick Alexander Lam, MD - Medicare Internal Medicine in Danbury, CT

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Dr Derrick Alexander Lam, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Danbury, Connecticut. His current practice location is 120 Main St Fl 3, Danbury, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 743-9760.

Dr Derrick Alexander Lam is licensed to practice in Illinois (license number 036.160299) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1740841899.

Contact Information

Dr Derrick Alexander Lam, MD
120 Main St Fl 3,
Danbury, CT 06810-7834
(203) 743-9760
(203) 743-3411

Map and Direction




Physician's Profile

Full NameDr Derrick Alexander Lam
GenderMale
SpecialityInternal Medicine - Geriatric Medicine
Location120 Main St Fl 3, Danbury, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1740841899
  • Provider Enumeration Date: 06/27/2019
  • Last Update Date: 06/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7618350406
  • Enrollment ID: I20240124003275

Medical Identifiers

Medical identifiers for Dr Derrick Alexander Lam such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740841899NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036.160299 (Illinois)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207RG0300XInternal Medicine - Geriatric Medicine 036.160299 (Illinois)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Derrick Alexander Lam allows following entities to bill medicare on his behalf.
Entity NameConnecticut Institute For Communities Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780918045
PECOS PAC ID: 3779623228
Enrollment ID: O20100701000281

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Derrick Alexander Lam is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Derrick Alexander Lam, MD
120 Main St Fl 3,
Danbury, CT 06810-7834

Ph: (203) 743-9760		Dr Derrick Alexander Lam, MD
120 Main St Fl 3,
Danbury, CT 06810-7834

Ph: (203) 743-9760

Reviews and Comments


Internal Medicine Doctors in Danbury, CT

Dr. David Louisia, MD
Geriatric Medicine
Medicare: Medicare Enrolled
Practice Location: 120 Main St, Danbury, CT 06810
Phone: 203-743-0100    
Dr. Shivayogi V Magavi, MD
Geriatric Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 57 North St, Suite 103, Danbury, CT 06810
Phone: 203-744-7007    
Andrew Keller, M.D.
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 27 Hospital Ave, Danbury, CT 06810
Phone: 203-797-7155    
Mary E. Blackman, M.D.
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 79 Sand Pit Road, 102, Danbury, CT 06810
Phone: 203-749-5700    
Nirmalamma S Magavi, MD
Geriatric Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 57 North St, Suite 103, Danbury, CT 06810
Phone: 203-744-7007    
David D Weinshel, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 24 Hospital Ave, Danbury, CT 06810
Phone: 203-797-7173    
Dr. Michael Spiegel, M.D.
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 33 Germantown Rd, 1st Floor, Danbury, CT 06810
Phone: 203-794-5600    Fax: 203-794-5611

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.