MARIMER C RIVERA-NIEVES MD
NPI 1982169876
Emergency Medicine in Bronx, NY
About Marimer C Rivera-nieves Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIMER C RIVERA-NIEVES MD (NPI 1982169876) is an individual emergency medicine provider in Bronx, New York, licensed in Florida (ME167141) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marimer C Rivera-nieves Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marimer Rivera-nieves reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sebring, FL 33872
- Reassigned Medicare billing, Florida enrollment
- 318 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 4
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 10451 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10451
BRONX, NY 10451
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 Marimer Rivera-nieves's NPI number?
The NPI number for Marimer Rivera-nieves is 1982169876. It was assigned to this individual provider in the NPPES registry on February 5, 2019.
Where is Marimer Rivera-nieves located?
Marimer Rivera-nieves practices at 234 E 149th St, Bronx, NY 10451. The listed phone number is (718) 579-5000.
What is Marimer Rivera-nieves's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marimer Rivera-nieves enrolled in Medicare?
Yes. Marimer Rivera-nieves is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marimer Rivera-nieves's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marimer Rivera-nieves reassigns Medicare benefits to Tampa Bay Emergency Physicians-Heartland LLC (Sebring, FL). 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 Marimer Rivera-nieves'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 Marimer Rivera-nieves was last updated on May 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.