Xiang Liu, MD
NPI 1881185718 · Gastroenterology Physician · Middletown, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiang Liu, MD is a Gastroenterology Physician provider in Middletown, CT (NPI 1881185718).
Provider details
- NPI number
- 1881185718
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 73345 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
180 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 95 | $38 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 20 | $240 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 | $188 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $174 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 16 | $100 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 30 | 28 |
| Pantoprazole Sodium | 29 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 28 | 26 |
| Linaclotidebrand: Linzess | 26 | — |
| Omeprazole | 25 | 15 |
| Famotidine | 18 | — |
| Entecavir | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$707 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-26
- Last updated
- 2024-09-02
- Certified
- 2024-09-02
Frequently asked questions
- What is Xiang Liu's NPI number?
- Xiang Liu's National Provider Identifier (NPI) is 1881185718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiang Liu's specialty?
- Xiang Liu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Xiang Liu located?
- Xiang Liu's practice location on file with NPPES is 410 Saybrook Rd Ste 201, Middletown, CT 06457-4777.
- What is Xiang Liu's phone number?
- The practice phone number listed in the NPPES registry for Xiang Liu is (860) 347-4620.
- Does Xiang Liu accept Medicare?
- Xiang Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiang Liu's NPI active?
- Yes — Xiang Liu's NPI (1881185718) is active in the NPPES registry as of the last update on 2024-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.