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

William E Decker, MD

Individual provider Radiation Oncology Physician · NPI 1457349755

William E Decker, MD is a Radiation Oncology in Sedalia, Missouri. Graduated from Medical College of Wisconsin in 1995, 31 years ago. Practices with The Curators of the University of Missouri, a 1,093-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
31
Trained at
Medical College of Wisconsin
Licensed in
MO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

601 E 14th St
Sedalia, MO 65301-5972
Phone: (660) 827-9538
Fax: (660) 826-7698
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 2004005486 (MO)

Record details

NPI number1457349755
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2005
Last updated in NPPESFebruary 17, 2025
Certification dateFebruary 17, 2025
Mailing address1705 E Broadway, Suite 100, Columbia, MO 65201-7166

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1995 (31 years in practice)
Group practice The Curators Of The University Of Missouri — 1093 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare