Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John Zachary Leonard, RN

Individual provider Certified Registered Nurse Anesthetist · NPI 1487432639

John Zachary Leonard, RN is a Certified Registered Nurse Anesthetist (CRNA) in Metairie, Louisiana. Practices as a sole proprietor. Licensed in Louisiana.

Licensed in
LA
In the registry since
2023
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

3004 43rd St
Metairie, LA 70001-2947
Phone: (228) 229-4263
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 246902 (LA)

Record details

NPI number1487432639
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorYes
NPI enumeratedSeptember 19, 2023
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2026 (0 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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