Weitian Liu, MD, PHD
NPI 1225254436 · Gastroenterology Physician · Hillsboro, OR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Weitian Liu, MD, PHD is a Gastroenterology Physician provider in Hillsboro, OR (NPI 1225254436).
Provider details
- NPI number
- 1225254436
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD28090 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 227 | 86 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 214 | 207 |
| Mesalamine | 130 | 32 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 71 | 13 |
| Colesevelam Hcl | 63 | 20 |
| Azathioprine | 58 | 15 |
| Allopurinol | 46 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 75 Francis StBoston, MA 02115-6110Phone: (617) 203-5474
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is Weitian Liu's NPI number?
- Weitian Liu's National Provider Identifier (NPI) is 1225254436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Weitian Liu's specialty?
- Weitian Liu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Weitian Liu located?
- Weitian Liu's practice location on file with NPPES is 2875 Ne Stucki Ave, Hillsboro, OR 97124-5806.
- What is Weitian Liu's phone number?
- The practice phone number listed in the NPPES registry for Weitian Liu is (800) 813-2000.
- Does Weitian Liu accept Medicare?
- Weitian Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Weitian Liu's NPI active?
- Yes — Weitian Liu's NPI (1225254436) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.