Doctor profile · Federal record

Dr. Irwin Lee, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Student in an Organized Health Care Education/Training Program · Rohnert Park, CA

  • NPI 1861510760
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Professional Center Dr
Rohnert Park, CA 949282152
(707) 584-2200
fax (707) 584-7582
Mailing address
Po Box 756
Danville, CA 945260756

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 19, 2023
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
California #A103038 · Michigan #4301081665
Medicaid
CA #1861510760

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861510760. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
77
Distinct HCPCS
3
Medicare allowed
$19,126
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 32 13 $36
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 32 13 $432
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 13 12 $319

In context: peer comparison

Among 3 peers in this city , average services per provider: 20. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
44
Total drug cost
$2,425
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 51 21 $774
Levothyroxine Sodium Generic 34 0 $722
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 19 11 $431
Dexamethasone Generic 12 12 $321
Sf (Fluoride (Sodium)) Brand 11 0 $176

Frequently asked questions

Auto-generated from federal data
What is Dr. Irwin Lee's medical specialty?
Dr. Irwin Lee practices Radiation Oncology Physician in Rohnert Park, CA.
Where does Dr. Irwin Lee practice?
Dr. Irwin Lee practices at 301 Professional Center Dr, Rohnert Park, CA 949282152. Office phone: 7075842200.
What is Dr. Irwin Lee's NPI?
Dr. Irwin Lee's National Provider Identifier (NPI) is 1861510760, issued by NPPES.
Does Dr. Irwin Lee accept Medicare assignment?
Yes. Dr. Irwin Lee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Irwin Lee commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Obtaining data needed to develop the optimal radiation treatment, 1 treatment area (HCPCS 77280). Source: CMS Medicare Physician & Other Practitioners file.