KATHERINE AMARA OUZOUNIAN APRN, FNP-C
NPI 1699192138
Nurse Practitioner - Family in Vancouver, WA

Active since March 21, 2014PECOS Enrolled
1220 MAIN ST STE 400, VANCOUVER, WA 98660(866) 849-0692(888) 973-8821 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2026, Aug 13, 2026, Jan 21, 2026 and 9 more (12 updates tracked since 2016).

About Katherine Amara Ouzounian Aprn, Fnp-c NPPES

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

KATHERINE AMARA OUZOUNIAN APRN, FNP-C (NPI 1699192138) is an individual family provider in Vancouver, Washington, licensed in Oregon (201604379NP-PP) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699192138
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATHERINE AMARA OUZOUNIANCredential: APRN, FNP-C
Location Address1220 MAIN ST STE 400Vancouver, WA 98660-2963
Mailing AddressPo Box 211699Eagan, MN 55121-3699 · (866) 849-0692 · Fax (888) 973-8821
Fax(888) 973-8821
Sole ProprietorNo
Enumeration DateMarch 21, 2014
Last NPPES UpdateAugust 27, 202612 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1699192138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in OR · 201604379NP-PP✔ Licensed in TX · 1216275✔ Licensed in NM · 87322✔ Licensed in AL · 1-206313✔ Licensed in HI · APRN-5529✔ Licensed in CO · C-APN.0105551-C-NP✔ Licensed in WA · AP60942033✔ Licensed in UT · 12609136-4405✔ Licensed in AZ · 331881✔ Licensed in CA · 95040526
1220 MAIN ST STE 400, Vancouver, WA 98660

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Amara Ouzounian Aprn, Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

3

Medicare enrollment records show Katherine Ouzounian reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Utah and Wyoming enrollments
  • 145 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Georgia, Oregon and Washington enrollments
  • 488 clinicians in this Medicare group
Primary Care
880 SW 145TH AVE STE 202
Pembroke Pines, FL 33027
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • 30 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98660 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
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 19

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

Behavior Technician
1220 MAIN ST STE 400
VANCOUVER, WA 98660
Clinic/Center (Hearing and Speech)
1220 MAIN ST STE 400
VANCOUVER, WA 98660
Behavior Analyst
1220 MAIN ST STE 400
VANCOUVER, WA 98660
Nurse Practitioner (Family)
1220 MAIN ST STE 400
VANCOUVER, WA 98660
Behavior Technician
1220 MAIN ST STE 400
VANCOUVER, WA 98660
Registered Nurse
1220 MAIN ST STE 400
VANCOUVER, WA 98660
Behavior Technician
1220 MAIN ST STE 400
VANCOUVER, WA 98660
Speech-Language Pathologist
1220 MAIN ST STE 400
VANCOUVER, WA 98660

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Ouzounian's NPI number?

The NPI number for Katherine Ouzounian is 1699192138. It was assigned to this individual provider in the NPPES registry on March 21, 2014.

Where is Katherine Ouzounian located?

Katherine Ouzounian practices at 1220 Main St Ste 400, Vancouver, WA 98660. The listed phone number is (866) 849-0692.

What is Katherine Ouzounian's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katherine Ouzounian enrolled in Medicare?

Yes. Katherine Ouzounian is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katherine Ouzounian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Ouzounian reassigns Medicare benefits to 3 organizations: Signify Health, LLC (Dallas, TX), Signify Health Medical Associates, PLLC (Dallas, TX) and Devoted Medical Group Professional Corporation (Pembroke Pines, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Ouzounian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Ouzounian accept?

Health plans from Moda Health Plan, Inc. list Katherine Ouzounian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katherine Ouzounian was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.