NPPES file of Aug 9, 2026

William Robert Larosa, M.D.

Specialist · Clearwater, FL

William Robert Larosa, M.D. is a specialist with a practice address in Clearwater, Florida, and NPI 1801886403, issued on Oct 25, 2005. Check the license (Florida ME45827, as entered in NPPES) on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801886403
Name
William Robert Larosa
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
ME45827 FL
Self-reported in NPPES; status is on the state search
Practice location
430 Morton Plant St, Clearwater, FL 33756
Phone
(727) 441-1508
Enumerated
Oct 25, 2005
Record last updated
Apr 18, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(727) 443-7780
Medicaid ID
046596800 FL
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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8 nearest specialist records → All 2,685 in Florida → Look up another NPI →

Also registered at 430 Morton Plant St

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

  1. Andres Anais, PASurgical Physician Assistant1568645208
  2. Michael Andriola, M.D.Neurology Physician1144279985
  3. Ajay Arora, M.D.Neurology Physician1306895149
  4. Craig Barkley, M.D.Urology Physician1831189448
  5. Shannon Barsema, PHDClinical Neuropsychologist1104180280
  6. Ann Bigatel-WykoffPediatric Occupational Therapist1598990830

Verify William Robert Larosa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME45827    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.

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William Robert Larosa among 2,685 specialist records in Florida

William Robert Larosa, M.D. is one of 2,685 specialist records with a practice address in Florida. 29% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileNo · 29% of these records are
  • In the CMS Doctors and Clinicians fileNo · 18% of these records are
  • Record last updated2012 · 85% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

46 specialist records list a practice address in Clearwater

They are 46 of the 4,323 NPPES records with a practice address in Clearwater, and 2,685 specialist records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,685 in Florida → Every provider in Clearwater → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Arif Alidina, M.D.Clearwater, FL 337561346390754
  2. James Campbell, MDClearwater, FL 337561790765089
  3. Lance CohenClearwater, FL 337561053461152
  4. James Dabney, MDClearwater, FL 337561740290832
  5. Kurt Erickson, MDClearwater, FL 337561790784445
  6. Janet Fishman, MDClearwater, FL 337561841393691
  7. Michael Ham, MDClearwater, FL 337561962421081
  8. Allan Haydon, MDClearwater, FL 337561285633917

Common questions

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

William Robert Larosa, M.D.'s National Provider Identifier (NPI) is 1801886403, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Robert Larosa, M.D. located?

The NPPES record lists a practice address at 430 Morton Plant St, Clearwater, FL, 33756. Phone: (727) 441-1508. Providers update this record themselves, so call before visiting.

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

NPPES lists Florida license number ME45827, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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 only as counts) 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 9, 2026.