NPPES file of Aug 9, 2026

Weitian Liu, MD, PHD

Gastroenterology Physician · Hillsboro, OR

Weitian Liu, MD, PHD is a gastroenterology physician with a practice address in Hillsboro, Oregon, and NPI 1225254436, issued on Apr 17, 2007. Check the license (Oregon MD28090, as entered in NPPES) on the Oregon Medical Board; 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
1225254436
Name
Weitian Liu
Credential
MD, PHD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
MD28090 OR
Self-reported in NPPES; status is on the state search
Practice location
2875 NE Stucki Ave, Hillsboro, OR 97124
Phone
(800) 813-2000
Enumerated
Apr 17, 2007
Record last updated
Jan 5, 2026
Medicare enrollment
Enrolled (PECOS I20080808000473); 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 2875 NE Stucki Ave

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

  1. Kayla AlamilloPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1558946822
  2. Misha Anderson, MDEmergency Medicine Physician1063850881
  3. Valentina Antonova, MDInternal Medicine Physician1760642565
  4. Fadi Balla, MDSurgery Physician1255626016
  5. Amy Barnes, DOObstetrics & Gynecology Physician1053534313
  6. Sydney Beatty, MDOtolaryngology Physician1639795966

Verify Weitian Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD28090
    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 Oregon license search

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67% more Medicare Part D claims than the average gastroenterology physician in 2024

1,356 Medicare Part D claims for 464 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Weitian Liu1,356
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium227 claims
  2. Gavilyte-C214 claims
  3. Mesalamine130 claims
  4. Diphenoxylate-Atropine71 claims
  5. Colesevelam Hcl63 claims
  6. Azathioprine58 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The NorthwestClackamas, OR

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

Weitian Liu among 281 gastroenterology physician records in Oregon

Weitian Liu, MD, PHD is one of 281 gastroenterology physician records with a practice address in Oregon. 79% 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 55% of them.

  • NPI issued2007 · 55% of these records are older, 31% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1989 · median 2003 among the 201 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Oregon

There are 281 gastroenterology physician records in Oregon.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Krishna Kasturi, MDHillsboro, OR 971241649474214
  2. Rajasekhara Mummadi, MBBSHillsboro, OR 971241134323710
  3. Jeremy Lake, MDHillsboro, OR 971231114909371
  4. Curtis Larson, MDHillsboro, OR 971231659371540
  5. Evan ReinhartHillsboro, OR 971231578068284
  6. Charles Rosenblatt, MDHillsboro, OR 971231518968189
  7. John Schaer, MDHillsboro, OR 971231780685206
  8. Randy Watson, M.D.Hillsboro, OR 971231295737005

Common questions

What is Weitian Liu, MD, PHD's NPI number?

Weitian Liu, MD, PHD's National Provider Identifier (NPI) is 1225254436, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Weitian Liu, MD, PHD located?

The NPPES record lists a practice address at 2875 NE Stucki Ave, Hillsboro, OR, 97124. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Weitian Liu, MD, PHD's license?

NPPES lists Oregon license number MD28090, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Weitian Liu, MD, PHD prescribe under Medicare Part D?

In 2024, Weitian Liu, MD, PHD had 1,356 Medicare Part D claims for 464 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.