NPPES file of Aug 9, 2026

Liang Du, M.D, PHD

Internal Medicine Physician · Monroe, WA

Liang Du, M.D, PHD is an internal medicine physician with a practice address in Monroe, Washington, and NPI 1912347758, issued on Jun 25, 2013. Check the license (Washington MD60626646, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912347758
Name
Liang Du
Credential
M.D, PHD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD60626646 WA
Self-reported in NPPES; status is on the state search
Practice location
14701 179TH Ave SE, Monroe, WA 98272
Phone
(360) 794-7497
Enumerated
Jun 25, 2013
Record last updated
Mar 15, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
2062345 WA
Medicare enrollment
Enrolled (PECOS I20160801002139); accepts Medicare assignment
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 14701 179TH Ave SE

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

  1. John Allderdice, MDEmergency Medical Services (Emergency Medicine) Physician1023063369
  2. Jane Betzer, RDRegistered Dietitian1528417318
  3. Victor Bui, MDEmergency Medicine Physician1083107288
  4. Dermot Chamberlain, M.D.Specialist1437263993
  5. Marc Champaloux, M.D.Hospitalist Physician1528300936
  6. Stephanie Chu, PHARMDPharmacist1205200185

Verify Liang Du in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60626646
    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 Washington 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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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

356 Medicare Part D claims for 131 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Liang Du356
  2. Specialty average3,176

Most prescribed

  1. Cefuroxime26 claims
  2. Atorvastatin Calcium24 claims
  3. Eliquis23 claims
  4. Prednisone17 claims
  5. Lisinopril16 claims
  6. Cefdinir14 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. King County Public Hospital District NO 2Bothell, WA
  2. South Sound Inpatient Physicians PLLCMount Vernon, WA

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

Liang Du among 3,079 internal medicine physician records in Washington

Liang Du, M.D, PHD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% 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 71% of them.

  • NPI issued2013 · 71% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1996 · median 2006 among the 1,852 with a school on file
  • Record last updated2017 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 internal medicine physician records list a practice address in Monroe

They are 11 of the 630 NPPES records with a practice address in Monroe, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kiran Agarwal, MDMonroe, WA 982721710346135
  2. Edward Bahk, D.O.Monroe, WA 982721184812273
  3. Jonathan Cheng, MDMonroe, WA 982721417697913
  4. Dustin Ens, M.D.Monroe, WA 982721972033553
  5. Siri Ito, MDMonroe, WA 982721184691370
  6. Julie Jungels, MDMonroe, WA 982721639360662
  7. Midori Larrabee, M.D.Monroe, WA 982721912163767
  8. Kyung Min, MDMonroe, WA 982721477520914

Common questions

What is Liang Du, M.D, PHD's NPI number?

Liang Du, M.D, PHD's National Provider Identifier (NPI) is 1912347758, issued on Jun 25, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Liang Du, M.D, PHD located?

The NPPES record lists a practice address at 14701 179TH Ave SE, Monroe, WA, 98272. Phone: (360) 794-7497. Providers update this record themselves, so call before visiting.

How can I verify Liang Du, M.D, PHD's license?

NPPES lists Washington license number MD60626646, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Liang Du, M.D, PHD prescribe under Medicare Part D?

In 2024, Liang Du, M.D, PHD had 356 Medicare Part D claims for 131 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Liang Du, M.D, PHD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.