DR. GIOVANNI C CASILLAS M.D.
NPI 1265455216
Otolaryngology - Otology & Neurotology in Bayamon, PR
About Dr. Giovanni C Casillas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GIOVANNI C CASILLAS M.D. (NPI 1265455216) is an individual otology & neurotology provider in Bayamon, Puerto Rico, licensed in Puerto Rico (15272) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Puerto Rico School Of Medicine (2006).
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 and accepts Medicare assignment
Dr. Giovanni C Casillas 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 Reassignment
Medicare enrollment records show Giovanni Casillas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Juan, PR 00936
- Reassigned Medicare billing, Puerto Rico enrollment
- 15 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.
Areas of Expertise CMS Part B claims 6
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.
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 Giovanni Casillas's NPI number?
The NPI number for Giovanni Casillas is 1265455216. It was assigned to this individual provider in the NPPES registry on July 25, 2006.
Where is Giovanni Casillas located?
Giovanni Casillas practices at Calle B, Esquina J # 16 Edificio Medico Hermanas Davila, Oficina 210, Bayamon, PR 00959. The listed phone number is (787) 780-5130.
What is Giovanni Casillas's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.
Is Giovanni Casillas enrolled in Medicare?
Yes. Giovanni Casillas 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 organization bills Medicare for Giovanni Casillas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Giovanni Casillas reassigns Medicare benefits to Recinto De Ciencias Medicas (San Juan, 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 Giovanni Casillas'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 Giovanni Casillas was last updated on October 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.