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

Individual provider Internal Medicine Physician · NPI 1992737290

Susan C Day, MD is an Internal Medicine Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

3701 Market St 7th Fl
Philadelphia, PA 19104-5502
Phone: (215) 349-5200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD026019E (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD026019E (PA)

Record details

NPI number1992737290
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESApril 3, 2017

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