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

William Joseph Chapin, MD

Individual provider Internal Medicine Physician · NPI 1316309578

William Joseph Chapin, MD is a Hematology/Oncology in Philadelphia, Pennsylvania. Graduated from University of Chicago, Pritzker School of Medicine in 2016, 10 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
10
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
PA
In the registry since
2016
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3400 Civic Center Blvd
Philadelphia, PA 19104-5127
Phone: (215) 615-0063
Fax: (215) 349-8144
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD470979 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD470979 (PA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence MD470979 (PA)

Record details

NPI number1316309578
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 25, 2016
Last updated in NPPESDecember 8, 2022
Certification dateDecember 8, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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