Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MERRIEL MONET ATER
NPI 1083494827
Nurse Practitioner in Lake Oswego, OR

Q: What is Merriel Ater's NPI number?

The NPI number for Merriel Ater is 1083494827. It was assigned to this individual provider in the NPPES registry on September 29, 2023.

Q: What is Merriel Ater's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Merriel Ater was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 29, 2023

5200 MEADOWS RD STE 200, LAKE OSWEGO, OR 97035(855) 255-1750(855) 255-0905 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Merriel Monet Ater NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERRIEL MONET ATER (NPI 1083494827) is an individual nurse practitioner in Lake Oswego, Oregon, licensed in Oregon (10065093) and active in the NPI registry since September 2023. She maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1083494827

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMERRIEL MONET ATER

Location Address5200 MEADOWS RD STE 200Lake Oswego, OR 97035-0086

Mailing AddressPo Box 24081Seattle, WA 98124-0081 · (855) 255-1750 · Fax (855) 255-0905

Phone(855) 255-1750

Fax(855) 255-0905

Sole ProprietorNo

Enumeration DateSeptember 29, 2023

Last NPPES UpdateOctober 23, 2026

NPPES CertifiedOctober 23, 2026

✔ NPI 1083494827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in OR · 10065093

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 10065093 (OR)

5200 MEADOWS RD STE 200, Lake Oswego, OR 97035

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Secondary Practice Location 1

Location 13455 SW US Veterans Hospital RdPortland, OR 97239-3076 · Phone (503) 494-7725

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LIBBY R MATTSON MSW

Social Worker