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

Michael James Henderson, FNP

Individual provider Family Nurse Practitioner · NPI 1407340730

Michael James Henderson, FNP is a Nurse Practitioner in Walla Walla, Washington. Qualified in 2017, 9 years ago. Practices with King County Public Hospital District No 2, a 585-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
9
Licensed in
WA
In the registry since
2018
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

380 Chase Ave
Walla Walla, WA 99362-2924
Phone: (509) 897-3000
Show map & directions

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

Additional practice locations (2)

  • 1675 Talbot Road, Columbia Falls, MT 59912 — (406) 892-3208
  • 1025 S 2nd Ave, Walla Walla, WA 99362-4116 — (509) 897-3000

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AP60851799 (WA)

Record details

NPI number1407340730
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedJune 20, 2018
Last updated in NPPESJune 24, 2021
Certification dateJune 24, 2021
Mailing address380 Chase Ave, Walla Walla, WA 99362-2924

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice King County Public Hospital District No 2 — 585 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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