NPPES file of Aug 9, 2026

Robert Michael Liddell, M.D.

Diagnostic Radiology Physician · Bellevue, WA

Robert Michael Liddell, M.D. is a diagnostic radiology physician with a practice address in Bellevue, Washington, and NPI 1487676946, issued on Jul 24, 2006. Check the license (Washington MD00023245, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1487676946
Name
Robert Michael Liddell
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
MD00023245 WA
Self-reported in NPPES; status is on the state search
Practice location
1310 116TH Ave NE, Bellevue, WA 98004
Phone
(425) 250-1145
Enumerated
Jul 24, 2006
Record last updated
Mar 13, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(425) 823-6028
Medicaid ID
8114597 WA
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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8 nearest diagnostic radiology physician records → All 1,041 in Washington → Look up another NPI →

Also registered at 1310 116TH Ave NE

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

  1. John Baldwin, MDRheumatology Physician1881697993
  2. Andrew Bronstein, M.D.Diagnostic Radiology Physician1255423331
  3. Arinola Dada, MDRheumatology Physician1609871029
  4. Calixto Dimas, M.D.Diagnostic Radiology Physician1043302136
  5. Zachary Fisk, MDPain Medicine Physician1992931711
  6. Shane Macaulay, M.D.Diagnostic Radiology Physician1255353710

Verify Robert Michael Liddell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00023245    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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Robert Michael Liddell among 1,041 diagnostic radiology physician records in Washington

Robert Michael Liddell, M.D. is one of 1,041 diagnostic radiology physician records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 49% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2012 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Washington

There are 1,041 diagnostic radiology physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,041 in Washington → Every provider in Bellevue → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Marita Acheson, M.D.Bellevue, WA 980041528087582
  2. Andrew Bronstein, M.D.Bellevue, WA 980041255423331
  3. Calixto Dimas, M.D.Bellevue, WA 980041043302136
  4. Joseph Duffy, M.D.Bellevue, WA 980041639220155
  5. Brian Jacobs, MDBellevue, WA 980041932202330
  6. Bryan Leyton, M.D.Bellevue, WA 980041801860739
  7. Shane Macaulay, M.D.Bellevue, WA 980041255353710
  8. Stacie Mars, M.D.Bellevue, WA 980041083632913

Common questions

What is Robert Michael Liddell, M.D.'s NPI number?

Robert Michael Liddell, M.D.'s National Provider Identifier (NPI) is 1487676946, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Michael Liddell, M.D. located?

The NPPES record lists a practice address at 1310 116TH Ave NE, Bellevue, WA, 98004. Phone: (425) 250-1145. Providers update this record themselves, so call before visiting.

How can I verify Robert Michael Liddell, M.D.'s license?

NPPES lists Washington license number MD00023245, 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. 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.