Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Christopher R Loiselle, MD

Individual provider Radiation Oncology Physician · NPI 1225259187

Christopher R Loiselle, MD is a Radiation Oncology in Seattle, Washington. Graduated from Johns Hopkins University School of Medicine in 2006, 20 years ago. Practices with Tumor Institute Radiation Oncology Group LLP, a 16-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
20
Trained at
Johns Hopkins University School of Medicine
Licensed in
WA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1221 Madison St 1st Fl
Seattle, WA 98104-3589
Phone: (206) 386-2323
Fax: (206) 386-2393
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 550 17th Ave Ste A10, Seattle, WA 98122-5789 — (206) 320-7130

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD60101794 (WA)

Record details

NPI number1225259187
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESMay 24, 2021
Certification dateMay 24, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Tumor Institute Radiation Oncology Group Llp — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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