MR. MELVIN MELENDEZ M.D.
NPI 1164531059
Internal Medicine - Gastroenterology in San Juan, PR
About Mr. Melvin Melendez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MELVIN MELENDEZ M.D. (NPI 1164531059) is an individual gastroenterology provider in San Juan, Puerto Rico, licensed in Puerto Rico (11617) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through March 16, 2027, and is a graduate of University Of Puerto Rico School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Melvin Melendez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Melvin Melendez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Juan, PR 00921
- Reassigned Medicare billing, Puerto Rico enrollment
- 3 clinicians in this Medicare group
Arecibo, PR 00613
- Reassigned Medicare billing, Puerto Rico enrollment
- 3 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 40D0926169
Melvin Melendez MD · Rio Piedras, PRAreas of Expertise CMS Part B claims 2
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 00921 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Melvin Melendez's NPI number?
The NPI number for Melvin Melendez is 1164531059. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Melvin Melendez located?
Melvin Melendez practices at Torre Del Metropolitano 1789 Suite 209 Carr 21 Las Lomas, San Juan, PR 00921. The listed phone number is (787) 793-2462.
What is Melvin Melendez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Melvin Melendez enrolled in Medicare?
Yes. Melvin Melendez is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Melvin Melendez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melvin Melendez reassigns Medicare benefits to 2 organizations: Gastro Centro Pcs (San Juan, PR) and Gastro-Centro Norte Psc (Arecibo, PR). 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 Melvin Melendez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Does Melvin Melendez hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 40D0926169) is associated with this NPI, valid through March 16, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Melvin Melendez was last updated on July 6, 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.