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

William Yi, MD

Individual provider Internal Medicine Physician · NPI 1861628729

William Yi, MD is a General Surgery in Philadelphia, Pennsylvania. Graduated from Vanderbilt University School of Medicine in 2009, 17 years ago. Practices with Commonwealth Physician Network LLC, a 63-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
17
Trained at
Vanderbilt University School of Medicine
Licensed in
PA
In the registry since
2009
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
Phone: (215) 662-4000
Fax: (615) 781-3882
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MD471817 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD471817 (PA)

Record details

NPI number1861628729
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2009
Last updated in NPPESAugust 21, 2023
Certification dateAugust 21, 2023

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Commonwealth Physician Network Llc — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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