NELSON ROSS GRUSZCZYNSKI MD
NPI 1639798762
Otolaryngology in Hollywood, FL

Q: What is Nelson Gruszczynski's NPI number?

The NPI number for Nelson Gruszczynski is 1639798762. It was assigned to this individual provider in the NPPES registry on April 9, 2020.

Q: What is Nelson Gruszczynski's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Active since April 09, 2020PECOS EnrolledAccepts Medicare Assignment

4700 SHERIDAN ST STE K, HOLLYWOOD, FL 33021(954) 966-7000(954) 966-7095 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 6, 2026, May 7, 2025, Apr 9, 2020 (3 updates tracked since 2020).

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About Nelson Ross Gruszczynski Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NELSON ROSS GRUSZCZYNSKI MD (NPI 1639798762) is an individual otolaryngology provider in Hollywood, Florida, licensed in Florida (ME172328) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Boca Raton Regional Hospital, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1639798762

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameNELSON ROSS GRUSZCZYNSKICredential: MD

Location Address4700 SHERIDAN ST STE KHollywood, FL 33021-3416

Mailing Address15280 Nw 79th Ct Ste 200Miami Lakes, FL 33016-5873 · (305) 558-3724

Phone(954) 966-7000

Fax(954) 966-7095

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateApril 9, 2020

Last NPPES UpdateAugust 6, 20263 updates tracked since enumeration

NPPES CertifiedAugust 6, 2026

✔ NPI 1639798762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in FL · ME172328

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4700 SHERIDAN ST STE K, Hollywood, FL 33021

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 22 Health, Ambetter from Superior HealthPlan, Ambetter Health and more.Insurance ›

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

Nelson Ross Gruszczynski Md 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.

PECOS PAC ID648695866

PECOS Enrollment IDI20250508003294

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nelson Gruszczynski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Florida Ent Associates, Inc.

20 mi

Otolaryngology

1350 SW 57TH AVE STE 210
West Miami, FL 33144

Reassigned Medicare billing, Florida enrollment
158 clinicians in this Medicare group

NPI 1184625733 (305) 558-3724

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 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boca Raton Regional Hospital

Acute Care Hospitals · Boca Raton, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100168

Location800 Meadows RdBoca Raton, FL 33486 · Palm Beach County

Emergency services Birthing friendly

Memorial Hospital Pembroke

Acute Care Hospitals · Pembroke Pines, FL

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number100230

Location7800 Sheridan StPembroke Pines, FL 33024 · Broward County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$135.56 typical visit price

range $58.56 – $179.05

Typical copayment $33.89 (range $14.64 – $44.76)

Most-billed visit code 99204

Established Patient

$73.00 typical visit price

range $18.44 – $144.68

Typical copayment $18.25 (range $4.61 – $36.17)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KATHERINE GARRITY AUD

Audiologist