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

Mrs. Astrid Johanson Block, RN, CNS

Individual provider Gerontology Clinical Nurse Specialist · NPI 1528267465

Mrs. Astrid Johanson Block, RN, CNS is a Gerontology Clinical Nurse Specialist in Palo Alto, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

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Practice location Address checks out

300 Pasteur Dr
Palo Alto, CA 94304-2203
Phone: (510) 409-1503
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gerontology Clinical Nurse Specialist (primary) Taxonomy 364SG0600X · Licence 2256 (CA)

Record details

NPI number1528267465
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , CNS
Sole proprietorNo
NPI enumeratedJuly 12, 2007
Last updated in NPPESNovember 27, 2021
Certification dateNovember 27, 2021

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