Registry data as of Aug 27, 2026

Nelson Gruszczynski, MD

Otolaryngology Physician · Hollywood, FL

Nelson Gruszczynski, MD is an otolaryngology physician with a practice address in Hollywood, Florida, and NPI 1639798762, issued on Apr 9, 2020. Check the license (Florida ME172328, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1639798762
Name
Nelson Gruszczynski
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
ME172328 FL
Self-reported in NPPES; status is on the state search
Practice location
4700 Sheridan St Ste K, Hollywood, FL 33021
Phone
(954) 966-7000
Enumerated
Apr 9, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4700 Sheridan St Ste K

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Breanna Brockett, AUDAudiologist1619450509
  2. Katherine Garrity, AUDAudiologist1124912381
  3. Sabine Hesse, M.D.Otolaryngology Physician1528063336
  4. Taylor Honnold, PA-CPhysician Assistant1154581064
  5. Daniel Morse, MDOtolaryngology Physician1255326369

Verify Nelson Gruszczynski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME172328
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

84% fewer Medicare Part D claims than the average otolaryngology physician in 2024

87 Medicare Part D claims for 63 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Nelson Gruszczynski87
  2. Specialty average541

Most prescribed

  1. Oxycodone Hcl24 claims
  2. Amoxicillin-Clavulanate Potass14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Florida Ent Associates IncPembroke Pines, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Otolaryngology Physician providers in Florida

There are 659 otolaryngology physician records in Florida.

Other otolaryngology physician records in Florida

  1. Davis Aasen, MDBoca Raton, FL1619596228
  2. Moufid-John Abdo, MDSarasota, FL1568463347
  3. Aura Acosta Calderon, MDMiami, FL1306409750
  4. James Adkins, M.D.P.A.F.A.C.S.Palm Harbor, FL1073545034
  5. Oliver AdunkaMiami, FL1316975444
  6. Mark Aferzon, MDHallandale Beach, FL1114956380
  7. Dennis Agliano, MDTampa, FL1184719973
  8. Peter Agnello, MDTampa, FL1881690600
  9. Andrew Agnew, D.O.Wesley Chapel, FL1770964488
  10. Mark Agrama, MDJupiter, FL1497781785

Common questions

What is Nelson Gruszczynski, MD's NPI number?

Nelson Gruszczynski, MD's National Provider Identifier (NPI) is 1639798762, issued on Apr 9, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Nelson Gruszczynski, MD located?

The NPPES record lists a practice address at 4700 Sheridan St Ste K, Hollywood, FL, 33021. Phone: (954) 966-7000. Providers update this record themselves, so call before visiting.

How can I verify Nelson Gruszczynski, MD's license?

NPPES lists Florida license number ME172328, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nelson Gruszczynski, MD prescribe under Medicare Part D?

In 2024, Nelson Gruszczynski, MD had 87 Medicare Part D claims for 63 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.