Marianne Iwamoto, ARNP, C-FNP
NPI 1689654758 · Family Nurse Practitioner · Renton, WA
Marianne Iwamoto, ARNP, C-FNP is a Family Nurse Practitioner provider in Renton, WA (NPI 1689654758).
Provider details
- NPI number
- 1689654758
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP, C-FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP30007117 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-17
- Last updated
- 2021-05-17
- Certified
- 2021-05-17
Frequently asked questions
- What is Marianne Iwamoto's NPI number?
- Marianne Iwamoto's National Provider Identifier (NPI) is 1689654758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Iwamoto's specialty?
- Marianne Iwamoto is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marianne Iwamoto located?
- Marianne Iwamoto's practice location on file with NPPES is 17254 140th Ave Se, Renton, WA 98058-7014.
- What is Marianne Iwamoto's phone number?
- The practice phone number listed in the NPPES registry for Marianne Iwamoto is (425) 226-7614.
- Is Marianne Iwamoto's NPI active?
- Yes — Marianne Iwamoto's NPI (1689654758) is active in the NPPES registry as of the last update on 2021-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.