NPPES file of Aug 9, 2026

David Diep

Optometrist · Las Vegas, NV

David Diep is an optometrist with a practice address in Las Vegas, Nevada, and NPI 1386403285, issued on Mar 14, 2024. Check the license (Nevada 1186, as entered in NPPES) with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1386403285
Name
David Diep
Primary taxonomy
Optometrist 152W00000X
License number
1186 NV
Self-reported in NPPES; status is on the state search
Practice location
4043 Spring Mountain RD, Las Vegas, NV 89102
Phone
(702) 889-8338
Enumerated
Mar 14, 2024
Record last updated
Mar 14, 2024
Medicare enrollment
Enrolled (PECOS I20240416001952); accepts Medicare assignment
Medical or professional school
Western University Of Health Sciences College Of Dental Med, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4043 Spring Mountain RD

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

  1. Jerrin Chiu, O.D.Optometrist1871842914

Verify David Diep in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nevada board licenses this profession
    Search for license 1186
    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
Find the Nevada 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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Bills Medicare through 2 group practices

  1. Long Kevin Diep O D P CLas Vegas, NV
  2. Spring Mountain Vision, Inc.Las Vegas, NV

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

David Diep among 550 optometrist records in Nevada

David Diep is one of 550 optometrist records with a practice address in Nevada. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 94% of them.

  • NPI issued2024 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2021 · median 2010 among the 332 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Nevada

There are 550 optometrist records in Nevada.

The 8 optometrist records with the nearest ZIP codes

  1. Ka Yan Cheung, O.D.Las Vegas, NV 891021407160906
  2. Jerrin Chiu, O.D.Las Vegas, NV 891021871842914
  3. Anne Cromer, ODLas Vegas, NV 891021376743443
  4. Gail Galantuomini, O.D.Las Vegas, NV 891021336283373
  5. James Keller, O.D.Las Vegas, NV 891021508034323
  6. Michael Lum, O.D.Las Vegas, NV 891021306383138
  7. Paul Thompson, O.D.Las Vegas, NV 891021104839026
  8. Grady Williams, O.D.Las Vegas, NV 891021346266095

Common questions

What is David Diep's NPI number?

David Diep's National Provider Identifier (NPI) is 1386403285, issued on Mar 14, 2024. An NPI identifies a provider in billing; it is not a license.

Where is David Diep located?

The NPPES record lists a practice address at 4043 Spring Mountain RD, Las Vegas, NV, 89102. Phone: (702) 889-8338. Providers update this record themselves, so call before visiting.

How can I verify David Diep's license?

NPPES lists Nevada license number 1186, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity 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.

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.