Leonardo Alonso, D.O.
NPI 1518062249 · Emergency Medicine Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonardo Alonso, D.O. is a Emergency Medicine Physician provider in Jacksonville, FL (NPI 1518062249).
Provider details
- NPI number
- 1518062249
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS-6584 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-09-14
- Last updated
- 2017-09-18
Frequently asked questions
- What is Leonardo Alonso's NPI number?
- Leonardo Alonso's National Provider Identifier (NPI) is 1518062249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonardo Alonso's specialty?
- Leonardo Alonso is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonardo Alonso located?
- Leonardo Alonso's practice location on file with NPPES is 8761 Perimeter Park Blvd Ste 106, Jacksonville, FL 32216-6397.
- What is Leonardo Alonso's phone number?
- The practice phone number listed in the NPPES registry for Leonardo Alonso is (904) 641-6628.
- Does Leonardo Alonso accept Medicare?
- Leonardo Alonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonardo Alonso's NPI active?
- Yes — Leonardo Alonso's NPI (1518062249) is active in the NPPES registry as of the last update on 2017-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.