Yang Liu, M.D.
NPI 1033430913 · Gastroenterology Physician · Monterey Park, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yang Liu, M.D. is a Gastroenterology Physician provider in Monterey Park, CA (NPI 1033430913).
Provider details
- NPI number
- 1033430913
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101250846 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
393 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $99 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 64 | $90 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 63 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 62 | $179 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 61 | $254 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 235 | 109 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 94 | 92 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 40 | 39 |
| Clarithromycin | 26 | 24 |
| Amoxicillin | 25 | 23 |
| Tenofovir Alafenamidebrand: Vemlidy | 25 | — |
| Linaclotidebrand: Linzess | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,610 across 27 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
- 2010-06-15
- Last updated
- 2024-01-21
- Certified
- 2024-01-21
Frequently asked questions
- What is Yang Liu's NPI number?
- Yang Liu's National Provider Identifier (NPI) is 1033430913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yang Liu's specialty?
- Yang Liu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Yang Liu located?
- Yang Liu's practice location on file with NPPES is 120 W Hellman Ave Ste 201, Monterey Park, CA 91754-1209.
- What is Yang Liu's phone number?
- The practice phone number listed in the NPPES registry for Yang Liu is (626) 280-3003.
- Does Yang Liu accept Medicare?
- Yang Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yang Liu's NPI active?
- Yes — Yang Liu's NPI (1033430913) is active in the NPPES registry as of the last update on 2024-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.