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

Mallory R Mumma, ARNP

Individual provider Gastroenterology Registered Nurse · NPI 1801783402

Mallory R Mumma, ARNP is a Nurse Practitioner in Olympia, Washington. Qualified in 2025, 1 year ago. Practices with Puget Sound Gastroenterology PLLC, a 59-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
1
Licensed in
WA
In the registry since
2025
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

209 Lilly Rd NE Ste B
Olympia, WA 98506-5030
Phone: (360) 413-8250
Show map & directions

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

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence AP70030539 (WA)
Gastroenterology Registered Nurse Taxonomy 163WG0100X · Licence 60412207 (WA)

Record details

NPI number1801783402
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedJune 18, 2025
Last updated in NPPESAugust 11, 2025
Certification dateAugust 11, 2025
Mailing address1203 Ebbets Dr Sw, Tumwater, WA 98512-4606

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Puget Sound Gastroenterology Pllc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount