DR. FRANCISCO ANTONIO VIEJO RULLAN M.D.
NPI 1174892525
Radiology - Body Imaging in Guaynabo, PR
About Dr. Francisco Antonio Viejo Rullan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANCISCO ANTONIO VIEJO RULLAN M.D. (NPI 1174892525) is an individual body imaging provider in Guaynabo, Puerto Rico, licensed in Puerto Rico (18540) and active in the NPI registry since December 2011. He is enrolled in Medicare PECOS, is affiliated with Hospital Perea, and is a graduate of University Of Puerto Rico School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 3
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. Francisco Antonio Viejo Rullan 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 Reassignments
4Medicare enrollment records show Francisco Viejo Rullan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Juan, PR 00927
- Reassigned Medicare billing, Puerto Rico enrollment
- 87 clinicians in this Medicare group
Cayey, PR 00737
- Reassigned Medicare billing, Puerto Rico enrollment
- 162 clinicians in this Medicare group
Vega Baja, PR 00693
- Reassigned Medicare billing, Puerto Rico enrollment
- 53 clinicians in this Medicare group
Aibonito, PR 00705
- Reassigned Medicare billing, Puerto Rico enrollment
- 205 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hospital Perea
Acute Care Hospitals · Mayaguez, PRFrequently 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 Francisco Viejo Rullan's NPI number?
The NPI number for Francisco Viejo Rullan is 1174892525. It was assigned to this individual provider in the NPPES registry on December 14, 2011.
Where is Francisco Viejo Rullan located?
Francisco Viejo Rullan practices at 14 Calle Reina De Las Flores Estancias De Torrimar, Guaynabo, PR 00966. The listed phone number is (787) 785-8034.
What is Francisco Viejo Rullan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Body Imaging, with taxonomy code 2085B0100X.
Is Francisco Viejo Rullan enrolled in Medicare?
Yes. Francisco Viejo Rullan 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 organizations bill Medicare for Francisco Viejo Rullan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Francisco Viejo Rullan reassigns Medicare benefits to 4 organizations: Centro De Cancer De La Universidad (San Juan, PR), Hospital Menonita De Cayey (Cayey, PR), Instituto Medico Del Norte Inc (Vega Baja, PR) and Mennonite General Hospital Inc (Aibonito, 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 Francisco Viejo Rullan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Francisco Viejo Rullan affiliated with any hospitals?
According to CMS data, Francisco Viejo Rullan is affiliated with Hospital Perea.
When was this NPI record last updated?
The NPPES record for Francisco Viejo Rullan was last updated on May 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.