Ariana Alonso, ACNP
NPI 1598639585 · Gerontology Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariana Alonso, ACNP is a Gerontology Nurse Practitioner provider in Saint Louis, MO (NPI 1598639585).
Provider details
- NPI number
- 1598639585
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2025042937 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2025-10-02
- Last updated
- 2025-10-21
- Certified
- 2025-10-02
Frequently asked questions
- What is Ariana Alonso's NPI number?
- Ariana Alonso's National Provider Identifier (NPI) is 1598639585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariana Alonso's specialty?
- Ariana Alonso is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ariana Alonso located?
- Ariana Alonso's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Ariana Alonso's phone number?
- The practice phone number listed in the NPPES registry for Ariana Alonso is (314) 362-1291.
- Does Ariana Alonso accept Medicare?
- Ariana Alonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariana Alonso's NPI active?
- Yes — Ariana Alonso's NPI (1598639585) is active in the NPPES registry as of the last update on 2025-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.