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

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: August 30, 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 and is a graduate of Other (2016).

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
Medical School CMSOtherGraduated 2016
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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Katherine Amara Ouzounian Aprn, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082907522
PECOS Enrollment IDI20231003000469
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 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 18

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
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
Behavior Technician
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 system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katherine Ouzounian accept?

Health plans from Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska 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 4 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.