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

Dr. Marisa Weiss, MD

Individual provider Radiation Oncology Physician · NPI 1457351660

Dr. Marisa Weiss, MD is a Radiation Oncology in Wynnewood, Pennsylvania. Graduated from Perelman School of Med at the University of Pennsylvania in 1984, 42 years ago. Practices with Main Line Radiation Oncology PC, a 5-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
42
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2005
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

100 E Lancaster Ave
Wynnewood, PA 19096-3450
Phone: (610) 645-2433
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD033799E (PA)

Record details

NPI number1457351660
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESSeptember 22, 2011
Mailing address1020a E Boal Ave, Boalsburg, PA 16827-1509

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1984 (42 years in practice)
Group practice Main Line Radiation Oncology Pc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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