John Alexander, DO
NPI 1366005324 · Cardiovascular Disease Physician · Germantown, TN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Alexander, DO is a Cardiovascular Disease Physician provider in Germantown, TN (NPI 1366005324).
Provider details
- NPI number
- 1366005324
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 6213 (TN)
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
7 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
- 2019-04-16
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is John Alexander's NPI number?
- John Alexander's National Provider Identifier (NPI) is 1366005324, 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 Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Alexander located?
- John Alexander's practice location on file with NPPES is 8060 Wolf River Blvd, Germantown, TN 38138-1727.
- What is John Alexander's phone number?
- The practice phone number listed in the NPPES registry for John Alexander is (901) 271-1000.
- 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 (1366005324) is active in the NPPES registry as of the last update on 2026-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.