Jim LengMD
Radiation Oncology·Seattle, WA
Jim Leng, MD is a Radiation Oncology provider in Seattle, WA, as of July 2026.
- NPI1548880982
- Registered2020
- Class of2020
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Jim Leng at a glance
- Provider
- Jim Leng
- Credential
- MD
- Specialty
- Radiation Oncology
- Location
- Seattle, WA
- Medical school graduation
- 2020
- NPI registered
- 2020
- NPI
- 1548880982
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Jim Leng practice?
Jim Leng, MD is based in Seattle, WA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Jim Leng's NPI number?
Jim Leng's National Provider Identifier (NPI) is 1548880982, registered in 2020. Specialty on record: Radiation Oncology; credential MD.
How many Radiation Oncology providers in Washington work at ambulatory surgery centers?
17 Radiation Oncology surgeons and proceduralists in Washington are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Jim Leng among them. The Washington Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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