NPPES file of Aug 9, 2026

Justin Tan, DDS

General Practice Dentistry · Longview, WA

Justin Tan, DDS is a general practice dentistry with a practice address in Longview, Washington, and NPI 1235536475, issued on Dec 3, 2014. Check the license (Washington DE60502542, as entered in NPPES) with the Washington board that licenses this profession; 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
1235536475
Name
Justin Tan
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DE60502542 WA
Self-reported in NPPES; status is on the state search
Practice location
1057 12TH Ave, Longview, WA 98632
Phone
(360) 414-1300
Enumerated
Dec 3, 2014
Record last updated
Dec 3, 2014 (not updated in 12 years: call before relying on the address or phone)
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 1057 12TH Ave

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

  1. Shellie Beck, RNRegistered Nurse1821528316
  2. William Braune, RNRegistered Nurse1497249262
  3. Charlotte ButtonRegistered Dietitian1093983306
  4. Jamie Chrisopulos, RNRegistered Nurse1457690190
  5. Adelaide Chute, NPFamily Nurse Practitioner1558465625
  6. Gail Conway, DOFamily Medicine Physician1386669711

Verify Justin Tan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license DE60502542
    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 Washington license search

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2.5 times the Medicare Part D claims of the average general practice dentistry in 2024

208 Medicare Part D claims for 131 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Justin Tan208
  2. Specialty average83

Most prescribed

  1. Fluoridex121 claims
  2. Amoxicillin33 claims
  3. Chlorhexidine Gluconate23 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.

Justin Tan among 3,196 general practice dentistry records in Washington

Justin Tan, DDS is one of 3,196 general practice dentistry records with a practice address in Washington. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 76% of them.

  • NPI issued2014 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2014 · 72% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 general practice dentistry records list a practice address in Longview

They are 27 of the 1,933 NPPES records with a practice address in Longview, and 3,196 general practice dentistry records in Washington.

The 8 general practice dentistry records with the nearest ZIP codes

  1. John Berwind, DDSLongview, WA 986321205932571
  2. David Fitch, D.D.S.Longview, WA 986321912929613
  3. Nadereh Ghanee, DMDLongview, WA 986321487609988
  4. Charles Henderson, D.D.S.Longview, WA 986321346262565
  5. Lee Hermen, DDSLongview, WA 986321649336470
  6. Ethan Kaufman, DDSLongview, WA 986321124036686
  7. Eric Littlefield, DMDLongview, WA 986321982707121
  8. David Meyers, DDSLongview, WA 986321982711230

Common questions

What is Justin Tan, DDS's NPI number?

Justin Tan, DDS's National Provider Identifier (NPI) is 1235536475, issued on Dec 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Justin Tan, DDS located?

The NPPES record lists a practice address at 1057 12TH Ave, Longview, WA, 98632. Phone: (360) 414-1300. Providers update this record themselves, so call before visiting.

How can I verify Justin Tan, DDS's license?

NPPES lists Washington license number DE60502542, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Justin Tan, DDS prescribe under Medicare Part D?

In 2024, Justin Tan, DDS had 208 Medicare Part D claims for 131 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.

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.