Barry Alan Aaronson, MD
Hospitalist Physician · Seattle, WA
Barry Alan Aaronson, MD is a hospitalist physician with a practice address in Seattle, Washington, and NPI 1952418345, issued on Aug 23, 2006. Check the license (Washington MD00034931, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Barry Alan Aaronson
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD00034931 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-6600
- Enumerated
- Aug 23, 2006
- Record last updated
- May 7, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 8223075 WA
- Medicare enrollment
- Enrolled (PECOS I20100208000779); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 793 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barry Alan Aaronson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00034931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2 hospitals and group practices
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
- Franciscan Medical GroupTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Barry Alan Aaronson among 793 hospitalist physician records in Washington
Barry Alan Aaronson, MD is one of 793 hospitalist physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1991 · median 2011 among the 649 with a school on file
- Record last updated2010 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Washington
There are 793 hospitalist physician records in Washington.
All 793 in Washington → Every provider in Seattle → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Roger Bush, MDSeattle, WA 981011760411623
- Alvin Calderon, MDSeattle, WA 981011609985753
- Daniel Coates, MDSeattle, WA 981011730100074
- Richard Davis, MDSeattle, WA 981011720018781
- Brandee Grooms, MDSeattle, WA 981011669481925
- Thomas Gunby, MDSeattle, WA 981011144243668
- Daniel Hanson, MDSeattle, WA 981011841300167
- Michael Ingraham, MDSeattle, WA 981011528082435
Common questions
What is Barry Alan Aaronson, MD's NPI number?
Barry Alan Aaronson, MD's National Provider Identifier (NPI) is 1952418345, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry Alan Aaronson, MD located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6600. Providers update this record themselves, so call before visiting.
How can I verify Barry Alan Aaronson, MD's license?
NPPES lists Washington license number MD00034931, 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.
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.