Registry data as of Aug 27, 2026

William Mazzei, M.D.

Family Medicine Physician · Deerfield Beach, FL

William Mazzei, M.D. is a family medicine physician with a practice address in Deerfield Beach, Florida, and NPI 1972586501, issued on Nov 29, 2005. Check the license (Florida ME69564, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1972586501
Name
William Mazzei
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
ME69564 FL
Self-reported in NPPES; status is on the state search
Practice location
220 SW Natura Ave, Deerfield Beach, FL 33441
Phone
(954) 360-7000
Enumerated
Nov 29, 2005
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 220 SW Natura Ave

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

  1. Niti Chadha, PA-CPhysician Assistant1609063130
  2. Iznaldy Denis-Smith, ARNPFamily Nurse Practitioner1487298048
  3. Paulson Kotturan, M.D.Family Medicine Physician1821055328
  4. Yale Markus, NPPsychiatric/Mental Health Nurse Practitioner1134585862
  5. Jose Ordonez, MDCardiovascular Disease Physician1154323871

Verify William Mazzei in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME69564    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.

100% fewer Medicare Part D claims than the average family medicine physician in 2024

17 Medicare Part D claims, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. William Mazzei17
  2. Specialty average3,519

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.

4 hospital and facility affiliations

  1. Estrella Health Medical Center IncMiami, FL
  2. Hillsboro Allergy And Family Medicine IncDeerfield Beach, FL
  3. L And L Social Services LLCMiami, FL
  4. Universal Therapy Center IncMiami, FL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

24 family medicine physician records list a Deerfield Beach practice address

They are 24 of the 3,809 NPPES records with a Deerfield Beach practice address, and 9,082 family medicine physician records in Florida.

All 24 in Deerfield Beach → All 9,082 in Florida → Every provider in Deerfield Beach →

Other family medicine physician records in Florida

  1. Kellie Aarons, MDTampa, FL1558865477
  2. Zoilo Abad, MDMiami, FL1649229568
  3. Flor Abalos Escalona, APRN-FNPMiami, FL1639992498
  4. Aschanti Abarca Selva, M.DNaples, FL1891082467
  5. Syed Abbas, DOSebring, FL1811637655
  6. Nader Abdallah, D.O.Belle Glade, FL1649519455
  7. Hanie Abdel Masih, D.O.Jacksonville, FL1003202458
  8. Ayman Abdou, M.D.Lauderdale Lakes, FL1346352374
  9. Obaydah Abdurraqeeb, DOTamarac, FL1316101264
  10. Mikaela Abell, DOSt Petersburg, FL1881399079

Common questions

What is William Mazzei, M.D.'s NPI number?

William Mazzei, M.D.'s National Provider Identifier (NPI) is 1972586501, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Mazzei, M.D. located?

The NPPES record lists a practice address at 220 SW Natura Ave, Deerfield Beach, FL, 33441. Phone: (954) 360-7000. Providers update this record themselves, so call before visiting.

How can I verify William Mazzei, M.D.'s license?

NPPES lists Florida license number ME69564, 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 William Mazzei, M.D. prescribe under Medicare Part D?

In 2024, William Mazzei, M.D. had 17 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.