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

Dr. John Philip Mastandrea, MD

Individual provider Radiation Oncology Physician · NPI 1518999697

Dr. John Philip Mastandrea, MD is a Radiation Oncology in Easton, Maryland. Graduated from Indiana University School of Medicine in 1983, 43 years ago. Practices with Prisma Health Medical Group-Midlands, a 1,018-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland and South Carolina.

Years since qualifying
43
Trained at
Indiana University School of Medicine
Licensed in
MD, SC
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

509 Idlewild Ave
Easton, MD 21601-3825
Phone: (410) 820-6411
Fax: (410) 820-4229
Show map & directions

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

Additional practice locations (1)

  • 7 Richland Medical Park Dr Ste 104, Columbia, SC 29203-6863 — (803) 434-6105

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence D0036644 (MD)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 83159 (SC)

Record details

NPI number1518999697
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 7, 2006
Last updated in NPPESJune 9, 2025
Certification dateJune 9, 2025

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Prisma Health Medical Group-Midlands — 1018 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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