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

Dr. Darrell Louie Speed, MD

Individual provider Radiation Oncology Physician · NPI 1003882499

Dr. Darrell Louie Speed, MD is a Radiation Oncology Physician in Russellville, Arkansas. Practices as a sole proprietor. Licensed in Arkansas.

Licensed in
AR
In the registry since
2006
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

1808 W Main St
Russellville, AR 72801-2724
Phone: (479) 964-9118
Fax: (479) 964-9491
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 R3959 (AR)

Record details

NPI number1003882499
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 24, 2006
Last updated in NPPESJuly 8, 2007

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