Registry data as of Aug 27, 2026

Mara Alonso, RN

Registered Nurse · Walla Walla, WA

Mara Alonso, RN is a registered nurse with a practice address in Walla Walla, Washington, and NPI 1346108396, issued on Jan 9, 2026. Check the license (Washington RN60862951, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1346108396
Name
Mara Alonso
Credential
RN
Primary taxonomy
Registered Nurse 163W00000X
License number
RN60862951 WA
Self-reported in NPPES; status is on the state search
Practice location
77 Wainwright Dr, Walla Walla, WA 99362
Phone
(509) 525-5200
Enumerated
Jan 9, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 77 Wainwright Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carlos Acevedo, MDNeurology Physician1619059870
  2. Heather Adkins, LISCWSocial Worker1003202854
  3. Katelyn AguilarRegistered Nurse1184592941
  4. Alessa Anderson, AGNP-CPrimary Care Nurse Practitioner1649905324
  5. Amy Anderson, RNAmbulatory Care Registered Nurse1841487188
  6. Susan ArmstrongRegistered Nurse1194617712

Verify Mara Alonso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license RN60862951
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

64 registered nurse records list a Walla Walla practice address

They are 64 of the 1,276 NPPES records with a Walla Walla practice address, and 7,077 registered nurse records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered nurse records in Washington

  1. Donald Aakervik, RNVancouver, WA1033640123
  2. Tamryn Aalvik, RNKent, WA1629506217
  3. Isaac AanensonSpokane, WA1821535972
  4. Anna Aarhus, RNRenton, WA1346507779
  5. Victoria Aase, RNKelso, WA1033789474
  6. Farangis Abab, RNSeattle, WA1639473408
  7. Ibrahim AbakporoEverett, WA1982463592
  8. Mylin AbalusPuyallup, WA1881487288
  9. Awet Abbera, RNKirkland, WA1629895230
  10. Tina AbbinkOmak, WA1659424778

Common questions

What is Mara Alonso, RN's NPI number?

Mara Alonso, RN's National Provider Identifier (NPI) is 1346108396, issued on Jan 9, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Mara Alonso, RN located?

The NPPES record lists a practice address at 77 Wainwright Dr, Walla Walla, WA, 99362. Phone: (509) 525-5200. Providers update this record themselves, so call before visiting.

How can I verify Mara Alonso, RN's license?

NPPES lists Washington license number RN60862951, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.