Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Yan Liu, MD

Individual provider Internal Medicine Physician · NPI 1366540684

Yan Liu, MD is an Internal Medicine in Galesburg, Illinois. Qualified in 1987, 39 years ago. Practices with St Mary Medical Center, a 51-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
39
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3315 N Seminary St
Galesburg, IL 61401-1251
Phone: (309) 344-1000
Fax: (309) 344-1805
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036124735 (IL)

Record details

NPI number1366540684
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESMarch 22, 2010
Mailing address3315 N Seminary St, Galesburg, IL 61401-1251

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice St Mary Medical Center — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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