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

Jeff Grenzke, RRT

Individual provider Registered Respiratory Therapist · NPI 1326124298

Jeff Grenzke, RRT is a Registered Respiratory Therapist in Palo Alto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
RRT — Registered Respiratory Therapist
Treats breathing disorders and manages ventilators.

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Practice location Address checks out

3801 Miranda Ave
Palo Alto, CA 94304
Phone: (650) 493-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Respiratory Therapist (primary) Taxonomy 227900000X · Licence RCP 8178 (CA)

Record details

NPI number1326124298
Entity typeIndividual (Type 1)
GenderMale
Credentials RRT
Sole proprietorYes
NPI enumeratedOctober 31, 2006
Last updated in NPPESJuly 8, 2007

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