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

Dr. Marshall Ryan Harrell, MD

Individual provider Radiation Oncology Physician · NPI 1851041115

Dr. Marshall Ryan Harrell, MD is a Radiation Oncology Physician in Columbus, Ohio. Licensed in Ohio. Registered with an NPI since 2022.

Licensed in
OH
In the registry since
2022
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

460 W 10th Ave
Columbus, OH 43210-1240
Phone: (614) 293-5066
Fax: (850) 431-8251
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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 57.255532 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1851041115
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2022
Last updated in NPPESAugust 30, 2023
Certification dateAugust 30, 2023

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