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

Individual provider Orthopaedic Surgery Physician · NPI 1780975433

Stephen Yonann Liu, MD is an Orthopedic Surgery in Philadelphia, Pennsylvania. Graduated from Tufts University School of Medicine in 2011, 15 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
15
Trained at
Tufts University School of Medicine
Licensed in
PA
In the registry since
2011
Specialties on file
2
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

3400 Spruce St
Philadelphia, PA 19104-4206
Phone: (215) 662-3340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence MD460703 (PA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence MT199063 (PA)

Record details

NPI number1780975433
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2011
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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