Yan Liu, MD
NPI 1366540684 · Internal Medicine Physician · Galesburg, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yan Liu, MD is a Internal Medicine Physician provider in Galesburg, IL (NPI 1366540684).
Provider details
- NPI number
- 1366540684
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036124735 (IL)
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
19 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
135 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 69 | $167 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 54 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 12 | $114 |
Typical Medicare-allowed amounts for these services range $9–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 194 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,094 | 276 |
| Atorvastatin Calcium | 862 | 233 |
| Losartan Potassium | 698 | 187 |
| Rosuvastatin Calcium | 669 | 197 |
| Lisinopril | 604 | 162 |
| Metoprolol Succinate | 534 | 147 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 1 record (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
- 2006-09-20
- Last updated
- 2010-03-22
Frequently asked questions
- What is Yan Liu's NPI number?
- Yan Liu's National Provider Identifier (NPI) is 1366540684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yan Liu's specialty?
- Yan Liu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yan Liu located?
- Yan Liu's practice location on file with NPPES is 3315 N Seminary St, Galesburg, IL 61401-1251.
- What is Yan Liu's phone number?
- The practice phone number listed in the NPPES registry for Yan Liu is (309) 344-1000.
- Does Yan Liu accept Medicare?
- Yan Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yan Liu's NPI active?
- Yes — Yan Liu's NPI (1366540684) is active in the NPPES registry as of the last update on 2010-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.