Quick answers
- Where does Nicolas J. Casellas see patients?
- Medicare's clinician data lists 2 practice locations, including San Juan, PR and Dorado, PR. Call before your visit to confirm the address.
- What is Nicolas J. Casellas's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Nicolas J. Casellas accept Medicare assignment?
- Yes. Medicare's clinician data says Nicolas J. Casellas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Nicolas J. Casellas offer telehealth?
- Medicare's clinician data says Nicolas J. Casellas offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nicolas J. Casellas?
- (787) 410-1464, as listed in official Medicare / NPI Registry data.
- What is Nicolas J. Casellas's NPI number?
- 1417451089. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Nicolas J. Casellas is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Ave Dona Felisa Rincon De, Suite 9San Juan, PR 00926 (787) 410‑1464
- 900 Carr, Suite 696Dorado, PR 00646 (787) 796‑3466
Group practices
Medicare enrollment lists Nicolas J. Casellas as a member of this group (CMS data updated 2026-10-02).
- Provoice LLC2 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in San Juan
Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417451089 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians