Katherine Amara Ouzounian, APRN, FNP-C
Family Nurse Practitioner · Vancouver, WA
Katherine Amara Ouzounian, APRN, FNP-C is a family nurse practitioner with a practice address in Vancouver, Washington, and NPI 1699192138, issued on Mar 21, 2014. Check the license (Washington AP60942033, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Amara Ouzounian
- Credential
- APRN, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AP60942033 WA
201604379NP-PP OR
1-206313 AL
331881 AZ
C-APN.0105551-C-NP CO
and 4 more
Self-reported in NPPES; status is on the state search - Practice location
- 1220 Main St Ste 400, Vancouver, WA 98660
- Phone
- (866) 849-0692
- Enumerated
- Mar 21, 2014
- Record last updated
- Jan 21, 2026
- Fax
- (888) 973-8821
- Medicare enrollment
- Enrolled (PECOS I20231003000469); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →
Also registered at 1220 Main St Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Amara Ouzounian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60942033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family nurse practitioner in 2024
106 Medicare Part D claims for 50 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Clallam County Public Hospital District NO 1Forks, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Amara Ouzounian among 3,781 family nurse practitioner records in Washington
Katherine Amara Ouzounian, APRN, FNP-C is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 40% of them.
- NPI issued2014 · 40% of these records are older, 57% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2016 · median 2018 among the 2,116 with a school on file
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
156 family nurse practitioner records list a practice address in Vancouver
They are 156 of the 10,772 NPPES records with a practice address in Vancouver, and 3,781 family nurse practitioner records in Washington.
All 3,781 in Washington → Every provider in Vancouver → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kelly Bell, N.P.Vancouver, WA 986601467586883
- Melanie Clauson, ARNPVancouver, WA 986601962860346
- Stephanie Jones, ARNP-CVancouver, WA 986601780822916
- Billi McNary, FNP-CVancouver, WA 986601275128191
- Julia Victoria Salve, FNPVancouver, WA 986601316430523
- Cheryl Einerson, NPVancouver, WA 986611245291541
- Tracy Klein, FNPVancouver, WA 986611124009709
- Teresa Norman, ARNPVancouver, WA 986611962578179
Common questions
What is Katherine Amara Ouzounian, APRN, FNP-C's NPI number?
Katherine Amara Ouzounian, APRN, FNP-C's National Provider Identifier (NPI) is 1699192138, issued on Mar 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Amara Ouzounian, APRN, FNP-C located?
The NPPES record lists a practice address at 1220 Main St Ste 400, Vancouver, WA, 98660. Phone: (866) 849-0692. Providers update this record themselves, so call before visiting.
How can I verify Katherine Amara Ouzounian, APRN, FNP-C's license?
NPPES lists Washington license number AP60942033, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Amara Ouzounian, APRN, FNP-C prescribe under Medicare Part D?
In 2024, Katherine Amara Ouzounian, APRN, FNP-C had 106 Medicare Part D claims for 50 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.