CARLOS A. SESIN, MD, PA
NPI 1639364144
Internal Medicine - Rheumatology in Miami Beach, FL
About Carlos A. Sesin, Md, Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARLOS A. SESIN, MD, PA (NPI 1639364144) is a healthcare organization registered as a rheumatology in Miami Beach, Florida and active in the NPI registry since September 2007. The organization maintains a secondary practice location in Coral Gables and lists Carlos Antonio Sesin, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carlos A. Sesin, Md, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Carlos A. Sesin, MD, PA, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
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 Carlos A. Sesin, MD, PA's NPI number?
The NPI number for Carlos A. Sesin, MD, PA is 1639364144. It was assigned to this organization in the NPPES registry on September 7, 2007.
Where is Carlos A. Sesin, MD, PA located?
Carlos A. Sesin, MD, PA is located at 4302 Alton Rd Suite 550, Miami Beach, FL 33140. The listed phone number is (305) 531-6766.
What is Carlos A. Sesin, MD, PA's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Carlos A. Sesin, MD, PA enrolled in Medicare?
Yes. Carlos A. Sesin, MD, PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Carlos A. Sesin, MD, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Carlos A. Sesin, MD, PA. 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. The largest specialties are Rheumatology (3), Internal Medicine (1) and Nurse Practitioner (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Carlos A. Sesin, MD, PA accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Carlos A. Sesin, MD, PA as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Carlos A. Sesin, MD, PA was last updated on August 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Carlos A. Sesin, Md, Pa · NPI 1639364144
Rheumatology organization in Miami Beach, Florida. Organization record, active in the CMS NPPES registry since September 7, 2007.
## Identity
- **NPI:** 1639364144 (Entity type: Organization)
- **Enumerated:** September 7, 2007
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **Organization subpart:** No
- **Authorized official:** Carlos Sesin, DIRECTOR
## Practice location
- **Address:** 4302 ALTON RD, SUITE 550, Miami Beach, FL 33140-2891
- **Phone:** (305) 531-6766 · **Fax:** (305) 531-6712
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Rheumatology (3), Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 31, 2021
- **Other identifiers:** Other K5823 (FL)
---
Source: [NPI Profile](https://npiprofile.com/npi/1639364144) · Data from the CMS NPPES public registry.