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DR. DERRICK ALEXANDER LAM MD
NPI 1740841899
Internal Medicine - Geriatric Medicine in Danbury, CT

Active since June 27, 2019PECOS Enrolled
120 MAIN ST FL 3, DANBURY, CT 06810(203) 743-9760(203) 743-3411 Get Directions Write a Review

NPPES record last updated: June 28, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Derrick Alexander Lam Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DERRICK ALEXANDER LAM MD (NPI 1740841899) is an individual geriatric medicine provider in Danbury, Connecticut, licensed in Illinois (036.160299) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1740841899
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. DERRICK ALEXANDER LAMCredential: MD
Location Address120 MAIN ST FL 3Danbury, CT 06810-7834
Mailing Address120 Main St Fl 3Danbury, CT 06810-7834 · (203) 743-9760 · Fax (203) 743-3411
Phone(203) 743-9760
Fax(203) 743-3411
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 27, 2019
Last NPPES UpdateJune 28, 2023
NPPES CertifiedJune 28, 2023
✔ NPI 1740841899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in IL · 036.160299
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036.160299 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
120 MAIN ST FL 3, Danbury, CT 06810
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Derrick Alexander Lam Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7618350406
PECOS Enrollment IDI20240124003275
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Derrick Lam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Connecticut Institute For Communities Inc
Same address
Federally Qualified Health Center (FQHC)
120 MAIN ST FL 4
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 93 clinicians in this Medicare group
NPI 1780918045 (203) 743-0100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06810 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FNU NEELAM MD
Student in an Organized Health Care Education/Training Program
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 456-1406
TRUSHNA R PATEL MD
Student in an Organized Health Care Education/Training Program
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 743-9760
DR. POOYA HAZEGH
Student in an Organized Health Care Education/Training Program
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 743-9760
DR. OGHENEVESE IBINABO JEFIA MD
Student in an Organized Health Care Education/Training Program
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 456-1406
NALLIE CHERPHENG THOR MD
Internal Medicine
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 456-1406
DR. NAFISHA AISHAH ALI MD
Student in an Organized Health Care Education/Training Program
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 456-1406
DR. VIKAS VERMA MD
Student in an Organized Health Care Education/Training Program
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 456-1406
DR. HARPREET AUJLA MD
Student in an Organized Health Care Education/Training Program
120 MAIN ST FL 3
DANBURY, CT 06810
Western Connecticut Planning Region (203) 743-9760

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derrick Lam's NPI number?

The NPI number for Derrick Lam is 1740841899. It was assigned to this individual provider in the NPPES registry on June 27, 2019.

Where is Derrick Lam located?

Derrick Lam practices at 120 Main St Fl 3, Danbury, CT 06810. The listed phone number is (203) 743-9760.

What is Derrick Lam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Derrick Lam enrolled in Medicare?

Yes. Derrick Lam is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Derrick Lam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derrick Lam reassigns Medicare benefits to Connecticut Institute For Communities Inc (Danbury, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Derrick Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derrick Lam accept?

Health plans from Anthem Blue Cross and Blue Shield list Derrick Lam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Derrick Lam was last updated on June 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.