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

Gretchen Hertlein-Keltner, RN

Individual provider Registered Nurse · NPI 1558101634

Gretchen Hertlein-Keltner, RN is a Registered Nurse in Honolulu, Hawaii. Practices as a sole proprietor. Licensed in Hawaii.

Licensed in
HI
In the registry since
2024
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

459 Patterson Rd
Honolulu, HI 96819-1522
Phone: (808) 838-6570
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence RN-76832 (HI)

Record details

NPI number1558101634
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedMay 28, 2024
Last updated in NPPESMay 28, 2024
Certification dateMay 28, 2024
Mailing address459 Patterson Rd, Honolulu, HI 96819-1522

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