John Holder, M.D.
NPI 1891897120 · Diagnostic Radiology Physician · Little Rock, AR
John Holder, M.D. is a Diagnostic Radiology Physician provider in Little Rock, AR (NPI 1891897120).
Provider details
- NPI number
- 1891897120
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R-2118 (AR)
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
19 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
Registry dates
- Enumerated
- 2006-09-05
- Last updated
- 2008-06-26
Frequently asked questions
- What is John Holder's NPI number?
- John Holder's National Provider Identifier (NPI) is 1891897120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Holder's specialty?
- John Holder is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Holder located?
- John Holder's practice location on file with NPPES is 224 Kings Row Dr, Little Rock, AR 72207-4117.
- What is John Holder's phone number?
- The practice phone number listed in the NPPES registry for John Holder is (501) 664-4159.
- Is John Holder's NPI active?
- Yes — John Holder's NPI (1891897120) is active in the NPPES registry as of the last update on 2008-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.