Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine Amara Ouzounian, APRN, FNP-C

Family Nurse Practitioner in Vancouver, WA · enumerated 2014.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1699192138

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Registry record

Entity type Individual (Type 1)

Name Katherine Amara Ouzounian

Credential APRN, FNP-C

Sex Female

Practice address 1220 Main St Ste 400, Vancouver, WA, 98660

Phone (866) 849-0692

Fax (888) 973-8821

Enumeration date Mar 21, 2014

Last updated in NPPES Jan 21, 2026

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 1-206313 (AL) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 12609136-4405 (UT) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License C-APN.0105551-C-NP (CO) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 87322 (NM) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP60942033 (WA) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 201604379NP-PP (OR) Primary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 331881 (AZ) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN-5529 (HI) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 1216275 (TX) Secondary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Katherine Ouzounian?

The National Provider Identifier (NPI) for Katherine Ouzounian is 1699192138, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine Ouzounian practice?

The practice location on file with NPPES is in Vancouver, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-21.