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

Individual provider Radiation Oncology Physician · NPI 1902831688

Douglas Keyser, MD is a Radiation Oncology in Canton, Ohio. Graduated from Northeastern Ohio University College of Medicine in 1990, 36 years ago. Practices with Marietta Memorial Hospital, a 386-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
36
Trained at
Northeastern Ohio University College of Medicine
Licensed in
OH
In the registry since
2006
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

2600 6th St SW
Canton, OH 44710-1702
Phone: (330) 363-6201
Fax: (330) 454-9397
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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 35 063249 (OH)

Record details

NPI number1902831688
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESNovember 6, 2023
Certification dateNovember 6, 2023
Mailing address2600 6th St Sw, Canton, OH 44710-1702

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Marietta Memorial Hospital — 386 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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