DR. BRIAN TIN CHU M.D.
NPI 1992943476
Internal Medicine - Nephrology in Mount Sinai, NY
About Dr. Brian Tin Chu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN TIN CHU M.D. (NPI 1992943476) is an individual nephrology provider in Mount Sinai, New York, licensed in New York (254047) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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. Brian Tin Chu M.d. 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 Reassignment
Medicare enrollment records show Brian Chu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Sayville, NY 11796
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Chs Physician Partners PC
- 944 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
John T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYSt Charles Hospital
Acute Care Hospitals · Port Jefferson, NYGood Samaritan Hospital Medical Center
Acute Care Hospitals · West Islip, NYSt Catherine Of Siena Hospital Medical Center
Acute Care Hospitals · Smithtown, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11766 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT SINAI, NY 11766
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 Brian Chu's NPI number?
The NPI number for Brian Chu is 1992943476. It was assigned to this individual provider in the NPPES registry on January 22, 2009.
Where is Brian Chu located?
Brian Chu practices at 701 Route 25A Suite B1, Mount Sinai, NY 11766. The listed phone number is (631) 331-4403.
What is Brian Chu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Brian Chu enrolled in Medicare?
Yes. Brian Chu 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 organization bills Medicare for Brian Chu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Chu reassigns Medicare benefits to Chs Physician Partners, P.C (West Sayville, NY). 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 Brian Chu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brian Chu accept?
Health plans from Oscar Health list Brian Chu 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.
Is Brian Chu affiliated with any hospitals?
According to CMS data, Brian Chu is affiliated with John T Mather Memorial Hospital Of Port Jefferson, St Charles Hospital, Good Samaritan Hospital Medical Center and St Catherine Of Siena Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Brian Chu was last updated on August 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Brian Tin Chu, M.D. · NPI 1992943476
Nephrology physician in Mount Sinai, New York. Individual provider, active in the CMS NPPES registry since January 22, 2009.
## Identity
- **NPI:** 1992943476 (Entity type: Individual)
- **Enumerated:** January 22, 2009
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 254047 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 ROUTE 25A, SUITE B1, Mount Sinai, NY 11766-2050
- **Phone:** (631) 331-4403 · **Fax:** (631) 331-1932
## 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:** Chs Physician Partners, P.C (NPI 1679823512, West Sayville, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** August 8, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1992943476) · Data from the CMS NPPES public registry.