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

Dr. Charles Eaton Stewart, MDPHD

Individual provider Radiation Oncology Physician · NPI 1043243884

Dr. Charles Eaton Stewart, MDPHD is a Radiation Oncology in Lewiston, Maine. Graduated from University of Texas Southwestern Medical School at Dallas in 2001, 25 years ago. Practices with Warren Clinic Inc, a 772-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maine and Oklahoma.

Years since qualifying
25
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
ME, OK
In the registry since
2006
Specialties on file
2

Practice location Address checks out

300 Main St
Lewiston, ME 04240-7041
Phone: (207) 795-2240
Show map & directions

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

Additional practice locations (1)

  • 11212 E 48th St, Tulsa, OK 74146-5824 — (918) 497-3715

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD29918 (ME)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 24962 (OK)

Record details

NPI number1043243884
Entity typeIndividual (Type 1)
GenderMale
Credentials MDPHD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESJune 24, 2026
Certification dateJune 24, 2026

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 2001 (25 years in practice)
Group practice Warren Clinic Inc — 772 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Lewiston