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

Dr. William Arthur Castrucci, MD

Individual provider Radiation Oncology Physician · NPI 1396927604

Dr. William Arthur Castrucci, MD is a Radiation Oncology in Brewer, Maine. Graduated from Geisel School of Medicine at Dartmouth in 1996, 30 years ago. Practices with Northeast Radiation Oncology PA, a 4-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maine.

Years since qualifying
30
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
ME
In the registry since
2007
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

33 Whiting Hill Rd
Brewer, ME 04412-1021
Phone: (207) 973-7499
Fax: (207) 973-7630
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 018168 (ME)

Record details

NPI number1396927604
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 28, 2007
Last updated in NPPESOctober 4, 2023
Certification dateOctober 4, 2023

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1996 (30 years in practice)
Group practice Northeast Radiation Oncology Pa — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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