Ross Ondersma, MD
Diagnostic Radiology Physician · Lynnwood, WA
Ross Ondersma, MD is a diagnostic radiology physician with a practice address in Lynnwood, Washington, and NPI 1841403110, issued on May 7, 2007. Check the license (Washington MD60292915, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Ross Ondersma
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- MD60292915 WA
01066258A IN
4301088540 MI
Self-reported in NPPES; status is on the state search - Practice location
- 19020 33RD Ave W Ste 210, Lynnwood, WA 98036
- Phone
- (425) 563-1500
- Enumerated
- May 7, 2007
- Entity
- Type 1 · individual
Also registered at 19020 33RD Ave W Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Yasmin Akbari, MDDiagnostic Radiology Physician1881005833
- David Alexander, MDDiagnostic Radiology Physician1538202528
- Kristine Andrade, MDPediatric Radiology Physician1083857817
- Zachary Ashwell, MDDiagnostic Radiology Physician1396189445
- David Atkins, MDDiagnostic Radiology Physician1588651236
Verify Ross Ondersma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60292915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
10 hospital and facility affiliations
- Central Washington Health Services AssociationWenatchee, WA
- County OF Santa ClaraSan Jose, CA
- Evergreen Radia LLCKirkland, WA
- Medford Radiological Group PCBothell, WA
- Radia California Radiology Medical Group IncBothell, WA
- Radia Inc P SBellevue, WA
- Radia Oregon Radiology Medical Group LLCBothell, WA
- Radiology Associates PAEdmonds, WA
- South Sound Radiologists Inc P SOlympia, WA
- Swedish Health ServicesEverett, WA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
115 diagnostic radiology physician records list a Lynnwood practice address
They are 115 of the 2,501 NPPES records with a Lynnwood practice address, and 992 diagnostic radiology physician records in Washington.
All 115 in Lynnwood → All 992 in Washington → Every provider in Lynnwood →
Other diagnostic radiology physician records in Washington
- Alireza Abadi, MDSeattle, WA1659861326
- Mohamed AbdelmotlebSeattle, WA1134892656
- Marita Acheson, M.D.Bellevue, WA1528087582
- Karen Ackerman, M.D.Tacoma, WA1164574554
- Kathrin Ahl, M.D.Lynnwood, WA1790747863
- Ashkan Ahmadian, MDSeattle, WA1447711544
- Johan Ahn, MDTacoma, WA1972546240
- Lori Ahrens, MDMount Vernon, WA1295708949
- Gensuke Akaike, MDTacoma, WA1841658598
- Yasmin Akbari, MDLynnwood, WA1881005833
Common questions
What is Ross Ondersma, MD's NPI number?
Ross Ondersma, MD's National Provider Identifier (NPI) is 1841403110, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ross Ondersma, MD located?
The NPPES record lists a practice address at 19020 33RD Ave W Ste 210, Lynnwood, WA, 98036. Phone: (425) 563-1500. Providers update this record themselves, so call before visiting.
How can I verify Ross Ondersma, MD's license?
NPPES lists Washington license number MD60292915, 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), loaded Aug 27, 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.
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.