NPPES file of Aug 9, 2026

Joseph Liu, DMD

General Practice Dentistry · Irwin, PA

Joseph Liu, DMD is a general practice dentistry with a practice address in Irwin, Pennsylvania, and NPI 1184961161, issued on Jan 10, 2013. Check the license (Pennsylvania DS039214, as entered in NPPES) with the Pennsylvania 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
1184961161
Name
Joseph Liu
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DS039214 PA
Self-reported in NPPES; status is on the state search
Practice location
13660 US 30, Irwin, PA 15642
Phone
(724) 338-1988
Enumerated
Jan 10, 2013
Record last updated
Dec 30, 2022
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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Verify Joseph Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license DS039214
    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 Pennsylvania license search

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

368 Medicare Part D claims for 166 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. 61 claims were for opioids.

  1. Joseph Liu368
  2. Specialty average83

Most prescribed

  1. Amoxicillin150 claims
  2. Sodium Fluoride69 claims
  3. Hydrocodone-Acetaminophen51 claims
  4. Methylprednisolone23 claims
  5. Clindamycin Hcl20 claims
  6. Prevident12 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.

Industry payments in 2024: $341.35

5 payments; by number, the most common kind was food and beverage; the largest payer was SprintRay Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Liu$341.35
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Joseph Liu among 4,612 general practice dentistry records in Pennsylvania

Joseph Liu, DMD is one of 4,612 general practice dentistry records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.

  • NPI issued2013 · 74% of these records are older, 25% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2022 · 76% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 general practice dentistry records list a practice address in Irwin

They are 7 of the 933 NPPES records with a practice address in Irwin, and 4,612 general practice dentistry records in Pennsylvania.

The 8 general practice dentistry records with the nearest ZIP codes

  1. David Andros, D.D.S.N Huntingdon, PA 156421346339454
  2. Gregory Bellotti, DMDIrwin, PA 156421659411148
  3. Dean Dicristofaro, DMDIrwin, PA 156421265572721
  4. David Johnson, DDSIrwin, PA 156421871668210
  5. Cody Kendera, D.D.S.North Huntingdon, PA 156421912433988
  6. Douglas Lippert, DMD, FAGD, D.ABDSMNorth Huntingdon, PA 156421376528232
  7. William Octave, DMDNorth Huntingdon, PA 156421558464719
  8. Robert Rapa, DMDIrwin, PA 156421215001664

Common questions

What is Joseph Liu, DMD's NPI number?

Joseph Liu, DMD's National Provider Identifier (NPI) is 1184961161, issued on Jan 10, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Liu, DMD located?

The NPPES record lists a practice address at 13660 US 30, Irwin, PA, 15642. Phone: (724) 338-1988. Providers update this record themselves, so call before visiting.

How can I verify Joseph Liu, DMD's license?

NPPES lists Pennsylvania license number DS039214, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Joseph Liu, DMD prescribe under Medicare Part D?

In 2024, Joseph Liu, DMD had 368 Medicare Part D claims for 166 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.