Richard W. Ater, ARNP
Psychiatric/Mental Health Nurse Practitioner · Seattle, WA
Richard W. Ater, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Seattle, Washington, and NPI 1285669234, issued on Jul 11, 2006. Check the license (Washington AP30005332, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard W. Ater
- Credential
- ARNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- AP30005332 WA
RN00112428 WA
Self-reported in NPPES; status is on the state search - Practice location
- 12345 Lake City Way NE Ste 117, Seattle, WA 98125
- Phone
- (206) 335-2892
- Enumerated
- Jul 11, 2006
- Record last updated
- Nov 19, 2024
- Fax
- (206) 629-7660
- Medicare enrollment
- Enrolled (PECOS I20040329001563); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,875 in Washington → Look up another NPI →
Verify Richard W. Ater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP30005332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.0 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
6,335 Medicare Part D claims for 300 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Quetiapine Fumarate1,386 claims
- Trazodone Hcl784 claims
- Memantine Hcl418 claims
- Sertraline Hcl407 claims
- Donepezil Hcl280 claims
- Mirtazapine229 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.
The MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Richard W. Ater among 1,875 psychiatric/mental health nurse practitioner records in Washington
Richard W. Ater, 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 90% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1999 · median 2020 among the 904 with a school on file
- Record last updated2024 · 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
- Meghan Bronkema, PMHNP-BCSeattle, WA 981251912779000
- April Carrillo, RN, BSNSeattle, WA 981251689155343
- Elizabeth Rogge, ARNPSeattle, WA 981251417161340
- Margaret SekijimaSeattle, WA 981251225070899
- Hsin-Yi Tang, PH.D., ARNPSeattle, WA 981251134205578
- Lisa Chui, ARNPSeattle, WA 981261831497296
- Kristine Highlander, PMHNPSeattle, WA 981261689083032
- Donna Mason, ARNP, PMHNP-DNP, BSNSeattle, WA 981261336415645
Common questions
What is Richard W. Ater, ARNP's NPI number?
Richard W. Ater, ARNP's National Provider Identifier (NPI) is 1285669234, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard W. Ater, ARNP located?
The NPPES record lists a practice address at 12345 Lake City Way NE Ste 117, Seattle, WA, 98125. Phone: (206) 335-2892. Providers update this record themselves, so call before visiting.
How can I verify Richard W. Ater, ARNP's license?
NPPES lists Washington license number AP30005332, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Richard W. Ater, ARNP prescribe under Medicare Part D?
In 2024, Richard W. Ater, ARNP had 6,335 Medicare Part D claims for 300 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
What is Richard W. Ater, ARNP's MIPS final score?
The 2023 MIPS final score is 30 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.