Alexandra Baker, DNP
Nurse Practitioner · Walla Walla, WA
Alexandra Baker, DNP is a nurse practitioner with a practice address in Walla Walla, Washington, and NPI 1306473202, issued on Mar 23, 2020. Check the license (Washington AP61318991, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexandra Baker
- Credential
- DNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- AP61318991 WA
Self-reported in NPPES; status is on the state search - Practice location
- 401 W Poplar St, Walla Walla, WA 99362
- Phone
- (503) 707-5536
- Enumerated
- Mar 23, 2020
- Record last updated
- Dec 28, 2023
- Medicare enrollment
- Enrolled (PECOS I20220617001304); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,308 in Washington → Look up another NPI →
Also registered at 401 W Poplar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexandra Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61318991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nurse practitioner in 2024
27 Medicare Part D claims for 12 beneficiaries, against an average of 1,109 among the 54,319 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.
Bills Medicare through one group practice
- Providence Health And Services - WashingtonWalla Walla, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexandra Baker among 2,308 nurse practitioner records in Washington
Alexandra Baker, DNP is one of 2,308 nurse practitioner records with a practice address in Washington. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 68% of them.
- NPI issued2020 · 68% of these records are older, 25% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2022 · median 2018 among the 1,301 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 nurse practitioner records list a practice address in Walla Walla
They are 21 of the 1,276 NPPES records with a practice address in Walla Walla, and 2,308 nurse practitioner records in Washington.
All 2,308 in Washington → Every provider in Walla Walla → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Sarah Bennett, MSN, AGPCNP-BCWalla Walla, WA 993621538633656
- Lauren Berg, ARNPWalla Walla, WA 993621508409780
- Chelane Fackenthall, ARNPWalla Walla, WA 993621699000901
- Stephanie Hayes, ARNPWalla Walla, WA 993621861034605
- Sara Hellberg, ARNPWalla Walla, WA 993621174576094
- Raedelle Lawrence - Wallace, ARNPWalla Walla, WA 993621538471453
- Donna LinWalla Walla, WA 993621912466392
- Briana Maynor, ARNPWalla Walla, WA 993621619459815
Common questions
What is Alexandra Baker, DNP's NPI number?
Alexandra Baker, DNP's National Provider Identifier (NPI) is 1306473202, issued on Mar 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Baker, DNP located?
The NPPES record lists a practice address at 401 W Poplar St, Walla Walla, WA, 99362. Phone: (503) 707-5536. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Baker, DNP's license?
NPPES lists Washington license number AP61318991, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Alexandra Baker, DNP prescribe under Medicare Part D?
In 2024, Alexandra Baker, DNP had 27 Medicare Part D claims for 12 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.