JASON CHEN-SHAN LEE (M.D.) – Diagnostic Radiology Physician, NPI 1104830371
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
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Provider Addresses for JASON CHEN-SHAN LEE (M.D.)
26500, Agoura Road, Calabasas, Los Angeles County, California, 91302, United States
#431
CALABASAS, CA 913021952
Phone: (310) 365-8711
Type: Mailing
227, West Janss Road, Thousand Oaks, Ventura County, California, 91360, United States
#150
THOUSAND OAKS, CA 913601848
Phone: (805) 496-7755
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $156.
Total Amount is formed as General ($156) + Research ($0) + Ownership ($0) = $156.
Last reported payment date: 2024-05-02 • Largest payer in this snapshot: PFIZER INC. ($102).
Total Amount
$156
General + Research + Ownership
Payments
4
Total payment records
General Amount
$156
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $102 |
| Medtronic, Inc. | $39 |
| E.R. Squibb & Sons, L.L.C. | $15 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-11-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20051103000531 | I | Diagnostic Radiology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 15,860 | 170 | $0 |
| A9585 | Injection, gadobutrol, 0.1 ml | 7,890 | 82 | $0 |
| 71045 | X-ray of chest, 1 view | 1,280 | 1,015 | $0 |
| 70450 | Ct scan head or brain without contrast | 347 | 328 | $0 |
| 71250 | Ct scan of chest without contrast | 268 | 258 | $0 |
Insurance plans in this area (ZIP 91302)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 71250 | CT scan chest | 73 | 72 |
| DIAGNOSTIC RADIOLOGY | CA | 73562 | X-ray of knee, 3 views | 63 | 52 |
| DIAGNOSTIC RADIOLOGY | CA | 73630 | X-ray of foot, minimum of 3 views | 21 | 20 |
| DIAGNOSTIC RADIOLOGY | CA | 74177 | CT scan of abdomen and pelvis with contrast | 98 | 96 |
| DIAGNOSTIC RADIOLOGY | CA | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 20 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| - | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | WA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA |
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