Ada Otter, DNP, ARNP
Primary Care Nurse Practitioner · Seattle, WA
Ada Otter, DNP, ARNP is a primary care nurse practitioner with a practice address in Seattle, Washington, and NPI 1518225416, issued on Apr 27, 2012. Check the license (Washington AP60192201, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ada Otter
- Credential
- DNP, ARNP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- AP60192201 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4060 E Stevens Way NE, Seattle, WA 98195
- Phone
- (206) 597-5242
- Enumerated
- Apr 27, 2012
- Record last updated
- Aug 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20120809000912); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 196 in Washington → Look up another NPI →
Also registered at 4060 E Stevens Way NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marguerite Brady, ARNPNurse Practitioner1609089895
- Brendan CassidyPhysical Therapist1871823351
- Nicole Castagno, M,D., M.S.Family Medicine Physician1285160267
- Hsuan Hsuan Dai, LMHCMental Health Counselor1841625449
- Betsy Fine, MDFamily Medicine Physician1407870413
- Kate Fredenberg, LICSW, CDPClinical Social Worker1497025084
Verify Ada Otter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60192201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
22 Medicare Part D claims, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 93.1 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).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ada Otter among 196 primary care nurse practitioner records in Washington
Ada Otter, DNP, ARNP is one of 196 primary care nurse practitioner records with a practice address in Washington. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 22% of them.
- NPI issued2012 · 22% of these records are older, 74% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2011 · median 2019 among the 94 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Washington
There are 196 primary care nurse practitioner records in Washington.
All 196 in Washington → Every provider in Seattle → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Tanvi Aggarwal, RNSeattle, WA 981951144853136
- Erin Anderson, ARNPSeattle, WA 981951487190138
- Nneka Iwuoha, DNP, ARNP, AGNP-CSeattle, WA 981951720612468
- Alisha Boxley, ARNP, AGPCNP-CSeattle, WA 981991861950495
- Kari Howry, ARNPEverett, WA 982011184797011
- Patricia Pineda, DNP, FNP-CEverett, WA 982011487521209
- Heather Russell, ARNPEverett, WA 982011568939981
- Mily Shakya, FNPEverett, WA 982011063384675
Common questions
What is Ada Otter, DNP, ARNP's NPI number?
Ada Otter, DNP, ARNP's National Provider Identifier (NPI) is 1518225416, issued on Apr 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ada Otter, DNP, ARNP located?
The NPPES record lists a practice address at 4060 E Stevens Way NE, Seattle, WA, 98195. Phone: (206) 597-5242. Providers update this record themselves, so call before visiting.
How can I verify Ada Otter, DNP, ARNP's license?
NPPES lists Washington license number AP60192201, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Ada Otter, DNP, ARNP prescribe under Medicare Part D?
In 2024, Ada Otter, DNP, ARNP had 22 Medicare Part D claims; the average among primary care nurse practitioner prescribers was 1,492. Part D covers Medicare prescriptions only.
What is Ada Otter, DNP, ARNP's MIPS final score?
The 2023 MIPS final score is 93.1 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.