NPPES file of Aug 9, 2026

Tian Xia, DMD

Endodontics · Eugene, OR

Tian Xia, DMD is an endodontics with a practice address in Eugene, Oregon, and NPI 1548319767, issued on Jan 9, 2007. Check the license (Oregon D8100, as entered in NPPES) with the Oregon 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
1548319767
Name
Tian Xia
Credential
DMD
Primary taxonomy
Endodontics 1223E0200X
License number
D8100 OR
Self-reported in NPPES; status is on the state search
Practice location
1380 Villard St, Eugene, OR 97403
Phone
(541) 342-5578
Enumerated
Jan 9, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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 1380 Villard St

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

  1. Karl Wagenknecht, D.M.D.Endodontics1891851424

Verify Tian Xia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license D8100
    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 Oregon license search

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32% fewer Medicare Part D claims than the average endodontics in 2024

82 Medicare Part D claims for 70 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.

  1. Tian Xia82
  2. Specialty average121

Most prescribed

  1. Amoxicillin47 claims
  2. Amoxicillin-Clavulanate Potass14 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.

Tian Xia among 113 endodontics records in Oregon

Tian Xia, DMD is one of 113 endodontics records with a practice address in Oregon. 60% 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 49% of them.

  • NPI issued2007 · 49% of these records are older, 35% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Oregon

There are 113 endodontics records in Oregon.

The 8 endodontics records with the nearest ZIP codes

  1. Karl Wagenknecht, D.M.D.Eugene, OR 974031891851424
  2. Daniel Bitner, D.M.D.Eugene, OR 974011891857462
  3. Emily Case, DDSEugene, OR 974011669857371
  4. Michael Dryden, DDSEugene, OR 974011588744809
  5. Daniel Erickson, DDSEugene, OR 974051538183983
  6. Frederick O'Donnell, DDSEugene, OR 974011306973490
  7. Jim Ruckman, JIM RUCKMAN D.M.D.Eugene, OR 974011679738850
  8. Jeffrey Steed, D.M.DEugene, OR 974011982013116

Common questions

What is Tian Xia, DMD's NPI number?

Tian Xia, DMD's National Provider Identifier (NPI) is 1548319767, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tian Xia, DMD located?

The NPPES record lists a practice address at 1380 Villard St, Eugene, OR, 97403. Phone: (541) 342-5578. Providers update this record themselves, so call before visiting.

How can I verify Tian Xia, DMD's license?

NPPES lists Oregon license number D8100, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Tian Xia, DMD prescribe under Medicare Part D?

In 2024, Tian Xia, DMD had 82 Medicare Part D claims for 70 beneficiaries; the average among endodontics prescribers was 121. 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.