Individual provider · Type 1 NPI

Ross Michael Ondersma, MD

Diagnostic Radiology Physician · Lynnwood, WA

NPI number 1841403110 Active

Practice location

19020 33rd Ave W Ste 210
Lynnwood, WA 98036-4748

Call (425) 563-1500 Map

Fax (425) 563-1501

Other practice locations

  • 203 S Western Ave, Tonasket, WA 98855-8803 · (509) 486-2151
  • 939 Caroline St, Port Angeles, WA 98362-3909 · (360) 417-7735

Specialties and licenses

TaxonomyCodeLicense
Diagnostic Radiology Physician 2085R0202X01066258A (IN)
Diagnostic Radiology Physician Primary 2085R0202XMD60292915 (WA)
Nuclear Medicine Physician 207U00000XMD60292915 (WA)
Diagnostic Radiology Physician 2085R0202X4301088540 (MI)

Diagnostic Radiology Physician: A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

110 other providers at this address

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About NPI 1841403110

Ross Michael Ondersma, MD's National Provider Identifier is 1841403110, issued on May 7, 2007. The primary taxonomy on file is Diagnostic Radiology Physician (2085R0202X), and the practice location is in Lynnwood, WA. The record was last updated on Feb 23, 2026.