IndividualActive
Alexander Pennington
NPI 1578412581 · Registered Nurse · Saint Louis, MO
Alexander Pennington is a Registered Nurse provider in Saint Louis, MO (NPI 1578412581).
Provider details
- NPI number
- 1578412581
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 2017018283 (MO)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone: (636) 288-5905
Street-level locationGet directions
Mailing address
3100 Ohio Ave
Saint Louis, MO 63118-2408
Registry dates
- Enumerated
- 2026-01-23
- Last updated
- 2026-01-23
- Certified
- 2026-01-23
Frequently asked questions
- What is Alexander Pennington's NPI number?
- Alexander Pennington's National Provider Identifier (NPI) is 1578412581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Pennington's specialty?
- Alexander Pennington is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Alexander Pennington located?
- Alexander Pennington's practice location on file with NPPES is 615 S New Ballas Rd, Saint Louis, MO 63141-8221.
- What is Alexander Pennington's phone number?
- The practice phone number listed in the NPPES registry for Alexander Pennington is (636) 288-5905.
- Is Alexander Pennington's NPI active?
- Yes — Alexander Pennington's NPI (1578412581) is active in the NPPES registry as of the last update on 2026-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.