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

Individual provider Registered Dietitian · NPI 1831723071

Ruby Ann Hayasaka, RDN is a Registered Dietitian OR Nutrition Professional in Honolulu, Hawaii. Qualified in 1971, 55 years ago. Practices with Malama Kidney Center, LLC, a 2-clinician group, accepts Medicare assignment and offers telehealth.

Years since qualifying
55
In the registry since
2020
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

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Practice location Address checks out

1357 Kapiolani Blvd Ste 1460
Honolulu, HI 96814-4509
Phone: (808) 942-1852
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1831723071
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorYes
NPI enumeratedFebruary 26, 2020
Last updated in NPPESFebruary 26, 2020
Certification dateFebruary 26, 2020
Mailing address41-1694 Kalanianaole Hwy, Waimanalo, HI 96795-1142

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1971 (55 years in practice)
Group practice Malama Kidney Center, Llc. — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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