Quick answers
- Does Nelson R. Gruszczynski accept Medicare assignment?
- Yes. Medicare's clinician data says Nelson R. Gruszczynski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Nelson R. Gruszczynski's NPI number?
- 1639798762. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nelson R. Gruszczynski works
Medicare's Facility Affiliation Data lists Nelson R. Gruszczynski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Boca Raton Regional HospitalBoca Raton, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100168
- Memorial Hospital PembrokePembroke Pines, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100230
Practice locations
Addresses where Nelson R. Gruszczynski is enrolled with Medicare (CMS data updated October 2, 2026).
- 18501 Pines Blvd, Suite 210Pembroke Pines, FL 33029 (954) 237‑2505
- 4700 Sheridan StHollywood, FL 33021 (954) 966‑7000
Group practices
Medicare enrollment lists Nelson R. Gruszczynski as a member of this group (CMS data updated October 2, 2026).
- Florida Ent Associates Inc156 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Pembroke Pines
Clinicians with the same Medicare primary specialty in Pembroke Pines, FL — not a recommendation.
Other clinicians in Florida Ent Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639798762 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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