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

Dr. Irwin H Lee, MD

Individual provider Radiation Oncology Physician · NPI 1861510760

Dr. Irwin H Lee, MD is a Radiation Oncology in Rohnert Park, California. Graduated from Harvard Medical School in 2003, 23 years ago. Practices with Cancer Therapy Medical Group Inc, a 13-clinician group and accepts Medicare assignment. Licensed in California and Michigan.

Years since qualifying
23
Trained at
Harvard Medical School
Licensed in
CA, MI
In the registry since
2007
Specialties on file
3
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

301 Professional Center Dr
Rohnert Park, CA 94928-2152
Phone: (707) 584-2200
Fax: (707) 584-7582
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence A103038 (CA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 4301081665 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 4301081665 (MI)

Record details

NPI number1861510760
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2007
Last updated in NPPESJuly 19, 2023
Certification dateJuly 19, 2023
Mailing addressPo Box 756, Danville, CA 94526-0756

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2003 (23 years in practice)
Group practice Cancer Therapy Medical Group Inc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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