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

Johana Marielos Tomassian, RN

Individual provider Critical Care Medicine Registered Nurse · NPI 1992376859

Johana Marielos Tomassian, RN is a Critical Care Medicine Registered Nurse in Riverside, California. Licensed in California. Registered with an NPI since 2021.

Licensed in
CA
In the registry since
2021
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

5549 Van Buren Blvd
Riverside, CA 92503-2068
Phone: (951) 324-5901
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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 765641 (CA)

Record details

NPI number1992376859
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedJuly 1, 2021
Last updated in NPPESJuly 1, 2021
Certification dateJuly 1, 2021

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