DR. NANCY CHEN MD
NPI 1063742534
Internal Medicine - Gastroenterology in Brooklyn, NY
About Dr. Nancy Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NANCY CHEN MD (NPI 1063742534) is an individual gastroenterology provider in Brooklyn, New York, licensed in New York (283889) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS, is affiliated with New York Community Hospital Of Brooklyn, Inc., and maintains a secondary practice location in Brooklyn.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Nancy Chen 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 Nancy Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 32 clinicians in this Medicare group
Brooklyn, NY 11210
- Reassigned Medicare billing, New York enrollment
- 99 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 8
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York Community Hospital Of Brooklyn, Inc.
Acute Care Hospitals · Brooklyn, NYStaten Island University Hospital
Acute Care Hospitals · Staten Island, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11235 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11235
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 Nancy Chen's NPI number?
The NPI number for Nancy Chen is 1063742534. It was assigned to this individual provider in the NPPES registry on January 6, 2010.
Where is Nancy Chen located?
Nancy Chen practices at 1517 Voorhies Ave Ste 1, Brooklyn, NY 11235. The listed phone number is (718) 332-0600.
What is Nancy Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Nancy Chen enrolled in Medicare?
Yes. Nancy Chen 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 Nancy Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Chen reassigns Medicare benefits to 2 organizations: Triborough Gi PLLC (Brooklyn, NY) and Be Well Primary Health Care Center, LLC (Brooklyn, NY). 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 Nancy Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nancy Chen affiliated with any hospitals?
According to CMS data, Nancy Chen is affiliated with New York Community Hospital Of Brooklyn, Inc. and Staten Island University Hospital.
When was this NPI record last updated?
The NPPES record for Nancy Chen was last updated on August 8, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.