KATELYN NIELSEN
NPI 1649900663
Physician Assistant in Ontario, OR

Q: What is Katelyn Nielsen's NPI number?

The NPI number for Katelyn Nielsen is 1649900663. It was assigned to this individual provider in the NPPES registry on June 13, 2022.

Q: What is Katelyn Nielsen's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Katelyn Nielsen was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 June 13, 2022PECOS Enrolled

840 SW 4TH AVE STE 105, ONTARIO, OR 97914(418) 892-6685(541) 889-2997 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 14, 2026, Feb 8, 2024, Nov 13, 2023 (3 updates tracked since 2023).

On this page

About Katelyn Nielsen NPPES

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

KATELYN NIELSEN (NPI 1649900663) is an individual physician assistant in Ontario, Oregon, licensed in Oregon (PA217656) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1649900663

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKATELYN NIELSEN

Location Address840 SW 4TH AVE STE 105Ontario, OR 97914-2638

Mailing Address1441 Ne 10th AvePayette, ID 83661-5420 · (208) 642-9376 · Fax (208) 642-9279

Phone(418) 892-6685

Fax(541) 889-2997

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateJune 13, 2022

Last NPPES UpdateJanuary 14, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 14, 2026

✔ NPI 1649900663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in OR · PA217656✔ Licensed in ID · PA2694

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

840 SW 4TH AVE STE 105, Ontario, OR 97914

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Other Identifiers 1

Medicaid500830651OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Regence BlueCross BlueShield of Oregon.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katelyn Nielsen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153771811

PECOS Enrollment IDI20250623003958

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97914 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.82 typical visit price

range $54.96 – $166.64

Typical copayment $21.20 (range $13.74 – $41.66)

Most-billed visit code 99203

Established Patient

$68.64 typical visit price

range $17.68 – $136.19

Typical copayment $17.16 (range $4.42 – $34.04)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

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

HALLE STUTTING DNP, PNP-PC

Nurse Practitioner (Pediatrics)