Alan Johnston, MD
NPI 1679579650 · Family Medicine Physician · Jacksonville, AR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Johnston, MD is a Family Medicine Physician provider in Jacksonville, AR (NPI 1679579650).
Provider details
- NPI number
- 1679579650
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- E2645 (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
21 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
- 2005-06-23
- Last updated
- 2008-10-29
Frequently asked questions
- What is Alan Johnston's NPI number?
- Alan Johnston's National Provider Identifier (NPI) is 1679579650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Johnston's specialty?
- Alan Johnston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Johnston located?
- Alan Johnston's practice location on file with NPPES is 1300 Braden St, Jacksonville, AR 72076-3719.
- What is Alan Johnston's phone number?
- The practice phone number listed in the NPPES registry for Alan Johnston is (501) 985-5900.
- Does Alan Johnston accept Medicare?
- Alan Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Johnston's NPI active?
- Yes — Alan Johnston's NPI (1679579650) is active in the NPPES registry as of the last update on 2008-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.