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

Marcela Valderama Maus, MD

Individual provider Hematology & Oncology Physician · NPI 1639233877

Marcela Valderama Maus, MD is a Medical Oncology in Philadelphia, Pennsylvania. Graduated from Perelman School of Med at the University of Pennsylvania in 2005, 21 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
21
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2006
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 Spruce St
Philadelphia, PA 19104
Phone: (215) 615-5858
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 MD446462 (PA)

Record details

NPI number1639233877
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 21, 2006
Last updated in NPPESAugust 29, 2012

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY, INTERNAL MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2005 (21 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Philadelphia