John Alexander, MD
NPI 1558544312 · Family Medicine Physician · Magnolia, AR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Alexander, MD is a Family Medicine Physician provider in Magnolia, AR (NPI 1558544312).
Provider details
- NPI number
- 1558544312
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C5751 (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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 122 | 35 |
| Potassium Chloride | 96 | 24 |
| Losartan Potassium | 96 | 29 |
| Atorvastatin Calcium | 87 | 24 |
| Pantoprazole Sodium | 80 | 19 |
| Carvedilol | 70 | 21 |
| Gabapentin | 65 | 19 |
Practice location
Mailing address
Additional practice locations (1)
- 101 Hospital DrMagnolia, AR 71753-2415Phone: (870) 235-3000
Registry dates
- Enumerated
- 2007-12-14
- Last updated
- 2023-02-24
- Certified
- 2023-02-24
Frequently asked questions
- What is John Alexander's NPI number?
- John Alexander's National Provider Identifier (NPI) is 1558544312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Alexander's specialty?
- John Alexander is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Alexander located?
- John Alexander's practice location on file with NPPES is 104 Hospital Dr, Magnolia, AR 71753-2416.
- What is John Alexander's phone number?
- The practice phone number listed in the NPPES registry for John Alexander is (870) 235-3555.
- Does John Alexander accept Medicare?
- John Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Alexander's NPI active?
- Yes — John Alexander's NPI (1558544312) is active in the NPPES registry as of the last update on 2023-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.