NPPES file of Aug 9, 2026

Alfredo Aguiar, M.D.

Anesthesiology Physician · Spokane, WA

Alfredo Aguiar, M.D. is an anesthesiology physician with a practice address in Spokane, Washington, and NPI 1922273838, issued on Apr 23, 2008. Check the license (Washington MD60144461, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922273838
Name
Alfredo Aguiar
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
MD60144461 WA
6351923-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
800 W 5TH Ave, Spokane, WA 99204
Phone
(509) 368-0590
Enumerated
Apr 23, 2008
Record last updated
Dec 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100827000225); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 1,701 in Washington → Look up another NPI →

Also registered at 800 W 5TH Ave

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

  1. Paul Aaron, DOAnesthesiology Physician1851652721
  2. Joel Aiken, PA-CPhysician Assistant1710460498
  3. Stephen Alfstad, CRNACertified Registered Nurse Anesthetist1073620894
  4. Karl Anders, M.D.Clinical Pathology/Laboratory Medicine Physician1609816412
  5. Jacob Arnett, MDAnesthesiology Physician1689632127
  6. Mikelis Baltins, M.D.Internal Medicine Physician1972981074

Verify Alfredo Aguiar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60144461    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
Open 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.

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Bills Medicare through one group practice

  1. Anesthesia Associates, PSSpokane, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alfredo Aguiar among 1,701 anesthesiology physician records in Washington

Alfredo Aguiar, M.D. is one of 1,701 anesthesiology physician records with a practice address in Washington. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.

  • NPI issued2008 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2005 · median 2007 among the 1,103 with a school on file
  • Record last updated2018 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Washington

There are 1,701 anesthesiology physician records in Washington.

All 1,701 in Washington → Every provider in Spokane → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Jacob Arnett, MDSpokane, WA 992041689632127
  2. Daniel Brutocao, MDSpokane, WA 992041215987342
  3. Vera Cheng, M.D.Spokane, WA 992041841266962
  4. Neville Fernandes, M.D.Spokane, WA 992041851368567
  5. Michelle Hansen, MDSpokane, WA 992041235108556
  6. Gary Lee, MDSpokane, WA 992041568412013
  7. Dale Lewis, D.O.Spokane, WA 992041487623757
  8. James Mellema, MDSpokane, WA 992041952351082

Common questions

What is Alfredo Aguiar, M.D.'s NPI number?

Alfredo Aguiar, M.D.'s National Provider Identifier (NPI) is 1922273838, issued on Apr 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Alfredo Aguiar, M.D. located?

The NPPES record lists a practice address at 800 W 5TH Ave, Spokane, WA, 99204. Phone: (509) 368-0590. Providers update this record themselves, so call before visiting.

How can I verify Alfredo Aguiar, M.D.'s license?

NPPES lists Washington license number MD60144461, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.