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

Cassandra Mason, RDN

Individual provider Registered Dietitian · NPI 1760077705

Cassandra Mason, RDN is a Physician Assistant in Walla Walla, Washington. Graduated from Loma Linda University School of Medicine in 2025, 1 year ago. Practices with Idaho Pain Clinic PLLC, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
1
Trained at
Loma Linda University School of Medicine
Licensed in
WA
In the registry since
2021
Specialties on file
2
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

112 Quail Ln
Walla Walla, WA 99362-7171
Phone: (720) 237-4895
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1113 E Westview Ct, Spokane, WA 99218-1319 — (208) 263-9757

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA70072208 (WA)
Registered Dietitian Taxonomy 133V00000X

Record details

NPI number1760077705
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedMarch 2, 2021
Last updated in NPPESDecember 11, 2025
Certification dateDecember 11, 2025
Mailing addressPo Box 427, College Place, WA 99324-0427

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2025 (1 years in practice)
Group practice Idaho Pain Clinic Pllc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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