Marianne Miller Iwamoto, ARNP, C-FNP — NPI 1689654758
Marianne Miller Iwamoto, ARNP, C-FNP’s National Provider Identifier is 1689654758. NPPES classifies this as a Type 1 individual record and reports a practice location in Renton, Washington. The primary taxonomy is Family Nurse Practitioner.
Key facts
- NPI
- 1689654758
- Entity type
- Type 1 individual
- NPPES status
- Active in the August 10, 2026 snapshot
- Practice location
- 17254 140TH AVE SE
Renton, Washington 98058 - Practice telephone
- (425) 226-7614
- Primary taxonomy
- Family Nurse Practitioner
- Enumeration date
- January 17, 2006
- NPPES last update
- May 17, 2021
- Source
- CMS NPPES, NPPES Data Dissemination August 2026 V2
Questions answered by the NPPES record
What is the NPI for Marianne Miller Iwamoto, ARNP, C-FNP?
The NPI listed for Marianne Miller Iwamoto, ARNP, C-FNP in the NPPES snapshot is 1689654758. The number passes the NPI check-digit test and is recorded as active in that snapshot.
Is NPI 1689654758 an individual or organization record?
NPPES records NPI 1689654758 as an Entity Type 1 record, which CMS assigns to an individual health care provider.
Where is the reported practice location?
The primary practice location reported to NPPES is 17254 140TH AVE SE, Renton, Washington 98058.
What taxonomy codes are listed for this NPI?
One taxonomy code is listed: Family Nurse Practitioner (363LF0000X), the primary taxonomy. Names come from the NUCC Health Care Provider Taxonomy code set version 26.1; definitions are not reproduced.
When was the NPPES record last updated?
NPPES reports a last update date of May 17, 2021 and an enumeration date of January 17, 2006, as published in NPPES Data Dissemination August 2026 V2.
Source and data date
All facts on this page come from the Centers for Medicare & Medicaid Services (CMS) NPPES data dissemination file NPPES Data Dissemination August 2026 V2, released August 10, 2026 (snapshot date 2026-08-10). The record was reproduced from the main provider file without edits; only the fields listed on the methodology page are published.
CMS updates NPPES continuously and this page reflects a single monthly snapshot. Confirm current details in the official NPPES NPI Registry.
Directory pages
This profile is listed on the Renton, Washington NPI directory and the Washington NPI directory.
Other published profiles in Renton, WA
Up to ten other profiles this site publishes for Renton, listed alphabetically. Appearing together here indicates only a shared reported practice city, not any affiliation or relationship. The city page lists all 45 published profiles.
Independent service disclaimer
This directory is an independent, experimental publication of public NPPES fields. It is not affiliated with or endorsed by CMS, NPPES, Medicare, the American Medical Association, or the National Uniform Claim Committee. An NPI is an administrative identifier. Its presence here does not establish that a provider is licensed, credentialed, board certified, in good standing, accepting patients or insurance, employed by or affiliated with any organization, or currently practicing. Nothing on this page is medical, legal, or insurance advice.