MM RHEUMATOLOGY LLC
NPI 1063889202
Internal Medicine - Rheumatology in Carolina, PR
About Mm Rheumatology Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MM RHEUMATOLOGY LLC (NPI 1063889202) is a healthcare organization registered as a rheumatology in Carolina, Puerto Rico and active in the NPI registry since August 2015. The organization lists Melisa Martinez Marti, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mm Rheumatology Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mm Rheumatology LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Mm Rheumatology LLC's NPI number?
The NPI number for Mm Rheumatology LLC is 1063889202. It was assigned to this organization in the NPPES registry on August 24, 2015.
Where is Mm Rheumatology LLC located?
Mm Rheumatology LLC is located at 4es5 Fragoso Ave., Carolina, PR 00983. The listed phone number is (787) 768-8944.
What is Mm Rheumatology LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Mm Rheumatology LLC enrolled in Medicare?
Yes. Mm Rheumatology LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mm Rheumatology LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Rheumatology) reassigns their Medicare billing to Mm Rheumatology LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mm Rheumatology LLC was last updated on October 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Mm Rheumatology Llc · NPI 1063889202
Rheumatology organization in Carolina, Puerto Rico. Organization record, active in the CMS NPPES registry since August 24, 2015.
## Identity
- **NPI:** 1063889202 (Entity type: Organization)
- **Enumerated:** August 24, 2015
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **Organization subpart:** No
- **Authorized official:** Melisa Martinez Marti, PRESIDENT
## Practice location
- **Address:** 4ES5 FRAGOSO AVE., Carolina, PR 00983-0000
- **Phone:** (787) 768-8944
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Rheumatology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 19, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1063889202) · Data from the CMS NPPES public registry.