Irwin Lee, MD
NPI 1861510760 · Radiation Oncology Physician · Rohnert Park, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irwin Lee, MD is a Radiation Oncology Physician provider in Rohnert Park, CA (NPI 1861510760).
Provider details
- NPI number
- 1861510760
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301081665 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
80 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 68 | $429 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 12 | $320 |
Typical Medicare-allowed amounts for these services range $320–$429 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 37 | 12 |
| Tamsulosin Hcl | 35 | 14 |
| Fluoride (sodium)brand: Sf | 22 | — |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 18 | 11 |
| Silver Sulfadiazinebrand: Ssd | 15 | 13 |
| Bicalutamide | 14 | 13 |
| Oxycodone Hcl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-27
- Last updated
- 2023-07-19
- Certified
- 2023-07-19
Frequently asked questions
- What is Irwin Lee's NPI number?
- Irwin Lee's National Provider Identifier (NPI) is 1861510760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Lee's specialty?
- Irwin Lee is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Irwin Lee located?
- Irwin Lee's practice location on file with NPPES is 301 Professional Center Dr, Rohnert Park, CA 94928-2152.
- What is Irwin Lee's phone number?
- The practice phone number listed in the NPPES registry for Irwin Lee is (707) 584-2200.
- Does Irwin Lee accept Medicare?
- Irwin Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irwin Lee's NPI active?
- Yes — Irwin Lee's NPI (1861510760) is active in the NPPES registry as of the last update on 2023-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.