DR. SAMUEL FRANCISCO SANTOS TOMASSINI M.D.
NPI 1952585960
General Practice in San Juan, PR
About Dr. Samuel Francisco Santos Tomassini M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMUEL FRANCISCO SANTOS TOMASSINI M.D. (NPI 1952585960) is an individual general practice provider in San Juan, Puerto Rico, licensed in Puerto Rico (16964) and active in the NPI registry since December 2007. He 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)
Dr. Samuel Francisco Santos Tomassini M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Samuel Santos Tomassini reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arecibo, PR 00612
- Reassigned Medicare billing, Puerto Rico enrollment
- 77 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 Samuel Santos Tomassini's NPI number?
The NPI number for Samuel Santos Tomassini is 1952585960. It was assigned to this individual provider in the NPPES registry on December 27, 2007.
Where is Samuel Santos Tomassini located?
Samuel Santos Tomassini practices at Ave #200 Los Chalets Chalets De Cupey Apt #54, San Juan, PR 00926. The listed phone number is (939) 642-8771.
What is Samuel Santos Tomassini's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Samuel Santos Tomassini enrolled in Medicare?
Yes. Samuel Santos Tomassini is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Samuel Santos Tomassini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Santos Tomassini reassigns Medicare benefits to Emergency Physician Providers, LLC (Arecibo, 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 Samuel Santos Tomassini'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 Samuel Santos Tomassini was last updated on October 1, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.