BESSY SUYIN FLORES CHANG MD
NPI 1437563137
Internal Medicine - Nephrology in Bronx, NY
About Bessy Suyin Flores Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BESSY SUYIN FLORES CHANG MD (NPI 1437563137) is an individual nephrology provider in Bronx, New York, licensed in New York (294044-1) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with St Barnabas Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
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
Bessy Suyin Flores Chang 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 Reassignment
Medicare enrollment records show Bessy Flores Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10457
- Reassigned Medicare billing, New York enrollment
- 256 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Barnabas Hospital
Acute Care Hospitals · Bronx, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10457 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10457
BRONX, NY 10457
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 Bessy Flores Chang's NPI number?
The NPI number for Bessy Flores Chang is 1437563137. It was assigned to this individual provider in the NPPES registry on June 20, 2014.
Where is Bessy Flores Chang located?
Bessy Flores Chang practices at 4422 3rd Ave Bldg 3, Bronx, NY 10457. The listed phone number is (718) 960-6497.
What is Bessy Flores Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Bessy Flores Chang enrolled in Medicare?
Yes. Bessy Flores Chang 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 Bessy Flores Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bessy Flores Chang reassigns Medicare benefits to Sbh Physicians, PC (Bronx, 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 Bessy Flores Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Bessy Flores Chang affiliated with any hospitals?
According to CMS data, Bessy Flores Chang is affiliated with St Barnabas Hospital.
When was this NPI record last updated?
The NPPES record for Bessy Flores Chang was last updated on July 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Bessy Suyin Flores Chang, MD · NPI 1437563137
Nephrology physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since June 20, 2014.
## Identity
- **NPI:** 1437563137 (Entity type: Individual)
- **Enumerated:** June 20, 2014
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 294044-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4422 3RD AVE BLDG 3, Bronx, NY 10457-2545
- **Phone:** (718) 960-6497
## 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:** Sbh Physicians, PC (NPI 1457665937, Bronx, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1437563137) · Data from the CMS NPPES public registry.