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

Mr. Steven Anthony Nastasio Jr., RN

Individual provider Critical Care Medicine Registered Nurse · NPI 1407789654

Mr. Steven Anthony Nastasio Jr., RN is a Critical Care Medicine Registered Nurse in Mesa, Arizona. Licensed in Arizona. Registered with an NPI since 2026.

Licensed in
AZ
In the registry since
2026
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

1400 S Dobson Rd
Mesa, AZ 85202-4707
Phone: (480) 412-3350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine Registered Nurse (primary) Taxonomy 163WC0200X · Licence 220711 (AZ)

Record details

NPI number1407789654
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedJune 6, 2026
Last updated in NPPESJune 6, 2026
Certification dateJune 6, 2026

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