Darrell L. Speed, M.D,, Inc
NPI 1326014721 · Radiation Oncology Physician · Russellville, AR
Darrell L. Speed, M.D,, Inc is a Radiation Oncology Physician organization in Russellville, AR (NPI 1326014721).
Provider details
- NPI number
- 1326014721
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Darrell Speed, Owner(479) 968-2449
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Arkansas Valley Radiation Oncology Services
Registry dates
- Enumerated
- 2006-02-24
- Last updated
- 2010-06-14
Frequently asked questions
- What is Darrell L. Speed, M.D,, Inc's NPI number?
- Darrell L. Speed, M.D,, Inc's National Provider Identifier (NPI) is 1326014721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Darrell L. Speed, M.D,, Inc?
- Darrell L. Speed, M.D,, Inc is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Darrell L. Speed, M.D,, Inc located?
- Darrell L. Speed, M.D,, Inc's practice location on file with NPPES is 1808 W Main St, Russellville, AR 72801-2724.
- What is Darrell L. Speed, M.D,, Inc's phone number?
- The practice phone number listed in the NPPES registry for Darrell L. Speed, M.D,, Inc is (479) 964-9118.
- Who is the authorized official for Darrell L. Speed, M.D,, Inc?
- The authorized official listed on Darrell L. Speed, M.D,, Inc's NPPES record is Darrell Speed, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Darrell L. Speed, M.D,, Inc's NPI active?
- Yes — Darrell L. Speed, M.D,, Inc's NPI (1326014721) is active in the NPPES registry as of the last update on 2010-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.