DR. MARALEXIS RIVERA M.D.
NPI 1699873950
Psychiatric Unit in San Juan, PR
About Dr. Maralexis Rivera M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARALEXIS RIVERA M.D. (NPI 1699873950) is an individual psychiatric unit provider in San Juan, Puerto Rico, licensed in Puerto Rico (14078) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2007).
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
Dr. Maralexis Rivera 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 Maralexis Rivera reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Juan, PR 00918
- Reassigned Medicare billing, Puerto Rico enrollment
- 16 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.
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 Maralexis Rivera's NPI number?
The NPI number for Maralexis Rivera is 1699873950. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Maralexis Rivera located?
Maralexis Rivera practices at Ave. Americo Miranda Centro Medico - Hospital Pediatrico Universitario, San Juan, PR 00936. The listed phone number is (787) 777-3535.
What is Maralexis Rivera's specialty?
The primary specialty registered for this NPI is Psychiatric Unit with taxonomy code 273R00000X.
Is Maralexis Rivera enrolled in Medicare?
Yes. Maralexis Rivera 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 Maralexis Rivera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maralexis Rivera reassigns Medicare benefits to Asociacion De Maestros De P R (San Juan, PR). 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 Maralexis Rivera'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 Maralexis Rivera was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.