Arica L. Keyser, ARNP
Psychiatric/Mental Health Nurse Practitioner · Seattle, WA
Arica L. Keyser, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Seattle, Washington, and NPI 1053508366, issued on Oct 1, 2007. Check the license (Washington AP30007868, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Arica L. Keyser
- Credential
- ARNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- AP30007868 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 E Olive St, Seattle, WA 98122
- Phone
- (206) 302-2200
- Enumerated
- Oct 1, 2007
- Record last updated
- Jul 21, 2022
- Fax
- (206) 302-2210
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,875 in Washington → Look up another NPI →
Also registered at 1600 E Olive St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arica L. Keyser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP30007868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,545 Medicare Part D claims for 126 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Quetiapine Fumarate96 claims
- Trazodone Hcl92 claims
- Risperidone85 claims
- Olanzapine81 claims
- Lorazepam70 claims
- Sertraline Hcl66 claims
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.
Arica L. Keyser among 1,875 psychiatric/mental health nurse practitioner records in Washington
Arica L. Keyser, ARNP is one of 1,875 psychiatric/mental health nurse practitioner records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 10% of them.
- NPI issued2007 · 10% of these records are older, 85% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2022 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Washington
There are 1,875 psychiatric/mental health nurse practitioner records in Washington.
All 1,875 in Washington → Every provider in Seattle → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Kelly Bliss, DNP, ARNPSeattle, WA 981221295812477
- Joyce BrewSeattle, WA 981221568101582
- Emily Callahan, ARNPSeattle, WA 981221619676558
- Lynese Cramer, ARNPSeattle, WA 981221467956391
- Laura Hinton, ARNPSeattle, WA 981221023441490
- Sheila Johansen, ARNPSeattle, WA 981221871654756
- Brooke Katz, ARNPSeattle, WA 981221013264761
- John Kihuria, RNSeattle, WA 981221154652758
Common questions
What is Arica L. Keyser, ARNP's NPI number?
Arica L. Keyser, ARNP's National Provider Identifier (NPI) is 1053508366, issued on Oct 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Arica L. Keyser, ARNP located?
The NPPES record lists a practice address at 1600 E Olive St, Seattle, WA, 98122. Phone: (206) 302-2200. Providers update this record themselves, so call before visiting.
How can I verify Arica L. Keyser, ARNP's license?
NPPES lists Washington license number AP30007868, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Arica L. Keyser, ARNP prescribe under Medicare Part D?
In 2024, Arica L. Keyser, ARNP had 1,545 Medicare Part D claims for 126 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.