Erinn Alexandra Case, ARNP
Nurse Practitioner · Spokane, WA
Erinn Alexandra Case, ARNP is a nurse practitioner with a practice address in Spokane, Washington, and NPI 1477802833, issued on Aug 31, 2012. Check the license (Washington AP60305664, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erinn Alexandra Case
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- AP60305664 WA
95009488 CA
Self-reported in NPPES; status is on the state search - Practice location
- 307 W 6TH Ave, Spokane, WA 99204
- Phone
- (833) 411-5469
- Enumerated
- Aug 31, 2012
- Record last updated
- Jul 22, 2025
- Entity
- Type 1 · individual
Also registered at 307 W 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Tonti-Horne, M.D.Family Medicine Physician1902829245
Verify Erinn Alexandra Case in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60305664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nurse practitioner in 2024
33 Medicare Part D claims for 15 beneficiaries, against an average of 1,109 among the 54,319 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.
188 nurse practitioner records list a practice address in Spokane
They are 188 of the 14,049 NPPES records with a practice address in Spokane, and 2,308 nurse practitioner records in Washington.
All 188 in Spokane → All 2,308 in Washington → Every provider in Spokane →
Other nurse practitioner records in Washington
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- Saada AbdelaSeattle, WA1881474716
- Glenda Abercrombie, ARNP, FNP-CYakima, WA1114001369
- Hemlal Acharya, ARNP PHMNP-BC, MSAuburn, WA1659146231
- Marja Adair, ARNPRichland, WA1659818318
- Nancy Adam, A.R.N.P.Poulsbo, WA1790835684
- James Adams, NPSpokane, WA1245828227
- Jessica Adams, ARNPBattle Ground, WA1316332463
- Pramoj Adhikari, DNP, RN, FNP - ( C).Everett, WA1396315446
- Girma AdmasuSpokane Valley, WA1568023547
Common questions
What is Erinn Alexandra Case, ARNP's NPI number?
Erinn Alexandra Case, ARNP's National Provider Identifier (NPI) is 1477802833, issued on Aug 31, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Erinn Alexandra Case, ARNP located?
The NPPES record lists a practice address at 307 W 6TH Ave, Spokane, WA, 99204. Phone: (833) 411-5469. Providers update this record themselves, so call before visiting.
How can I verify Erinn Alexandra Case, ARNP's license?
NPPES lists Washington license number AP60305664, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Erinn Alexandra Case, ARNP prescribe under Medicare Part D?
In 2024, Erinn Alexandra Case, ARNP had 33 Medicare Part D claims for 15 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.