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

Merissa Marei Bernardo Guinto, NP

Individual provider Acute Care Nurse Practitioner · NPI 1194570911

Merissa Marei Bernardo Guinto, NP is an Acute Care Nurse Practitioner in Hayward, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

27200 Calaroga Ave
Hayward, CA 94545-4339
Phone: (510) 264-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 95029066 (CA)

Record details

NPI number1194570911
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedApril 23, 2024
Last updated in NPPESNovember 27, 2024
Certification dateNovember 27, 2024

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