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

Dr. Owen C. Thomas, MD

Individual provider Radiation Oncology Physician · NPI 1043412935

Dr. Owen C. Thomas, MD is a Radiation Oncology in Rehoboth Beach, Delaware. Graduated from Johns Hopkins University School of Medicine in 2007, 19 years ago. Practices with Delmarva Radiation Services, PA, a 3-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
19
Trained at
Johns Hopkins University School of Medicine
Licensed in
DE
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

18947 John J Williams Hwy Unit 101
Rehoboth Beach, DE 19971-4480
Phone: (302) 645-3775
Fax: (302) 645-3774
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 C10010086 (DE)

Record details

NPI number1043412935
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2007
Last updated in NPPESJune 11, 2021
Certification dateJune 11, 2021
Mailing addressPo Box 497, Lewes, DE 19958-0497

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Delmarva Radiation Services, Pa — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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