CHUN WANG LAM MD
NPI 1255394680
Internal Medicine - Gastroenterology in Trumbull, CT
About Chun Wang Lam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHUN WANG LAM MD (NPI 1255394680) is an individual gastroenterology provider in Trumbull, Connecticut, licensed in Connecticut (040235) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Chun Wang Lam Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Chun Wang Lam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Trumbull, CT 06611
- Reassigned Medicare billing, Connecticut enrollment
- 6 clinicians in this Medicare group
Bridgeport, CT 06610
- Reassigned Medicare billing, Connecticut enrollment
- 1,824 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TRUMBULL, CT 06611
TRUMBULL, CT 06611
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 Chun Wang Lam's NPI number?
The NPI number for Chun Wang Lam is 1255394680. It was assigned to this individual provider in the NPPES registry on April 7, 2006.
Where is Chun Wang Lam located?
Chun Wang Lam practices at 888 White Plains Rd Suite 110, Trumbull, CT 06611. The listed phone number is (203) 459-4451.
What is Chun Wang Lam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Chun Wang Lam enrolled in Medicare?
Yes. Chun Wang Lam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Chun Wang Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chun Wang Lam reassigns Medicare benefits to 2 organizations: Nemg Gastroenterology LLC (Trumbull, CT) and Northeast Medical Group, Inc. (Bridgeport, CT). Each 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 Chun Wang Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Chun Wang Lam was last updated on May 31, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Chun Wang Lam, MD · NPI 1255394680
Gastroenterology physician in Trumbull, Connecticut. Individual provider, active in the CMS NPPES registry since April 7, 2006.
## Identity
- **NPI:** 1255394680 (Entity type: Individual)
- **Enumerated:** April 7, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 040235 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 888 WHITE PLAINS RD, SUITE 110, Trumbull, CT 06611-4552
- **Phone:** (203) 459-4451 · **Fax:** (203) 459-0362
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Nemg Gastroenterology LLC (NPI 1558748996, Trumbull, CT); Northeast Medical Group, Inc. (NPI 1043278351, Bridgeport, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1996
## Record status
- **NPPES last updated:** May 31, 2013
- **Other identifiers:** Medicare ID-Type Unspecified 100000339 (CT); Medicaid 02317408 (NY); Medicare ID-Type Unspecified 3V5821 (NY); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1255394680) · Data from the CMS NPPES public registry.