Physician Profile
Jason Chen-Shan Lee, M.D.
Unclaimed ProfileAbout Dr. Lee
Based in Thousand Oaks, CA, Jason Chen-Shan Lee, M.D. is listed in the NPI registry under diagnostic radiology. Jason graduated from University of California, Geffen School of Medicine in 2001. Medicare claims data shows Jason provided 19,441 services to 4,161 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (805) 496-7755
- Email not available
Practice Locations
227 W JANSS RD #150
Thousand Oaks, CA 91360
Procedures Most Often Billed to Medicare
19,441 services · 4,161 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
1,833 |
| Ct scan head or brain without contrast | Imaging | 70450 |
412 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
190 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
154 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
137 |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
134 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
128 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
127 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
123 |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
121 |
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 diagnostic radiology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Thousand Oaks 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Lee specialize in?
Dr. Lee is a diagnostic radiology in Thousand Oaks, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Lee located?
Dr. Lee is listed at 227 W JANSS RD #150, Thousand Oaks, CA 91360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lee's phone number?
The number on file is (805) 496-7755. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lee?
Dr. Lee's National Provider Identifier is 1104830371. 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. Lee go to medical school?
Dr. Lee attended University of California, Geffen School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lee have?
Dr. Lee has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lee do most often?
According to Medicare billing data, Dr. Lee performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lee's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lee. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.