NPPES file of Aug 9, 2026

James W. Massa, D.D.S.

General Practice Dentistry · Naples, FL

James W. Massa, D.D.S. is a general practice dentistry with a practice address in Naples, Florida, and NPI 1336359884, issued on May 23, 2007. Check the license (Florida DN0012603, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336359884
Name
James W. Massa
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DN0012603 FL
Self-reported in NPPES; status is on the state search
Practice location
2220 Venetian CT, Naples, FL 34109
Phone
(239) 597-7333
Enumerated
May 23, 2007
Record last updated
Jul 26, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(239) 597-6537
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 general practice dentistry records → All 7,101 in Florida → Look up another NPI →

Verify James W. Massa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license DN0012603    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

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23% more Medicare Part D claims than the average general practice dentistry in 2024

102 Medicare Part D claims for 68 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. James Massa102
  2. Specialty average83

Most prescribed

  1. Amoxicillin60 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.

James W. Massa among 7,101 general practice dentistry records in Florida

James W. Massa, D.D.S. is one of 7,101 general practice dentistry records with a practice address in Florida. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.

  • NPI issued2007 · 26% of these records are older, 51% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

120 general practice dentistry records list a practice address in Naples

They are 120 of the 5,950 NPPES records with a practice address in Naples, and 7,101 general practice dentistry records in Florida.

All 7,101 in Florida → Every provider in Naples → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Angel Benmaman Medina, DDSNaples, FL 341091083624183
  2. Gery Benza, DDSNaples, FL 341091083725758
  3. John Costello, DMDNaples, FL 341091316264401
  4. George Dumouchel, DDSNaples, FL 341091346351020
  5. Ali Etessam, D.D.SNaples, FL 341091053620609
  6. Thomas Hale, D.D.S., P.L.Naples, FL 341091427263003
  7. Tracey Hughes, D.D.S.Naples, FL 341091508861162
  8. Luyen Nguyen, D.D.S.Naples, FL 341091669646345

Common questions

What is James W. Massa, D.D.S.'s NPI number?

James W. Massa, D.D.S.'s National Provider Identifier (NPI) is 1336359884, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James W. Massa, D.D.S. located?

The NPPES record lists a practice address at 2220 Venetian CT, Naples, FL, 34109. Phone: (239) 597-7333. Providers update this record themselves, so call before visiting.

How can I verify James W. Massa, D.D.S.'s license?

NPPES lists Florida license number DN0012603, 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 James W. Massa, D.D.S. prescribe under Medicare Part D?

In 2024, James W. Massa, D.D.S. had 102 Medicare Part D claims for 68 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

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.