Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dayna Granston, RN, RXN, CNS, APRN

Individual provider Registered Nurse · NPI 1639199235

Dayna Granston, RN, RXN, CNS, APRN is a Registered Nurse in Boulder, Colorado. Practices as a sole proprietor and works from 2 locations. Licensed in Colorado.

Licensed in
CO
In the registry since
2006
Specialties on file
2
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.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

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Practice location Address checks out

1634 Walnut St Ste 201
Boulder, CO 80302-5400
Phone: (303) 818-8263
Fax: (844) 272-1680
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1333 Iris Avenue, Boulder, CO 80304-2296 — (720) 406-3698

Specialties & licences

Adult Psychiatric/Mental Health Clinical Nurse Specialist (primary) Taxonomy 364SP0809X · Licence RXN-0001430-CNS (CO)
Registered Nurse Taxonomy 163W00000X · Licence 91024 (CO)

Record details

NPI number1639199235
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , RXN , CNS , APRN
Sole proprietorYes
NPI enumeratedJuly 19, 2006
Last updated in NPPESMarch 17, 2018

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