Physician Profile
Unclaimed ProfileAbout LEAN
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Education & Training
Areas of Expertise
Common questions
What does Dr. Lean specialise in?
Dr. Lean is a radiation oncology in Vista, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where is Dr. Lean located?
Dr. Lean is listed at 916 SYCAMORE AVE, Vista, CA 92081. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lean's phone number?
The number on file is (760) 599-9545. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lean's NPI number?
Dr. Lean's National Provider Identifier is 1487648572. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Lean go to medical school?
Dr. Lean attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lean been practising?
Dr. Lean has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lean do most often?
According to Medicare billing data, Dr. Lean performs imaging including continuing radiation therapy consultation per week and radiation treatment management, 5 treatment sessions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lean confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lean. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (760) 599-9545
- Email not available
Practice Locations
916 SYCAMORE AVE
Vista, CA 92081
Procedures Most Often Billed to Medicare
2,377 services · 860 patients · 22 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Continuing radiation therapy consultation per week | Imaging | 77336 |
184 |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
178 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
152 |
| Calculation of radiation therapy dose | Imaging | 77300 |
125 |
| X-ray during radiation therapy | Imaging | 77417 |
116 |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
108 |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | Imaging | 77290 |
63 |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | Imaging | 77280 |
49 |
| Special radiation therapy planning for delivery of external radiation | Imaging | 77321 |
30 |
| 3d radiation therapy planning | Imaging | 77295 |
30 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiation oncology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Continuing radiation therapy consultation per week 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.