Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mary E Jennings, RD

Individual provider Registered Dietitian · NPI 1497932255

Mary E Jennings, RD is registered under Registered Dietitian OR Nutrition Professional in Olympia, Washington. Qualified in 1999, 27 years ago. Practices with Memorial Nephrology Associates PLLC, a 9-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
27
Licensed in
WA
In the registry since
2008
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

3525 Ensign Rd NE Ste K
Olympia, WA 98506-5065 Not confirmed with CMS for 17 years — call before visiting
Phone: (360) 413-8121
Fax: (360) 413-8865
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DI00001359 (WA)

Record details

NPI number1497932255
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedJanuary 23, 2008
Last updated in NPPESSeptember 16, 2009

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Memorial Nephrology Associates Pllc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients36
Services billed 219 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Memorial Nephrology Associates PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Olympia