JASON CHEN-SHAN LEE M.D.
NPI 1104830371
Radiology - Diagnostic Radiology in Thousand Oaks, CA
About Jason Chen-shan Lee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON CHEN-SHAN LEE M.D. (NPI 1104830371) is an individual diagnostic radiology provider in Thousand Oaks, California, licensed in California (A82022) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jason Chen-shan Lee M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Jason Lee reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 12 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 62 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1164760823 (California), NPI 1962457812 (California)
- 349 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 119
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jason Lee's NPI number?
The NPI number for Jason Lee is 1104830371. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Jason Lee located?
Jason Lee practices at 227 W Janss Rd #150, Thousand Oaks, CA 91360. The listed phone number is (805) 496-7755.
What is Jason Lee's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Jason Lee enrolled in Medicare?
Yes. Jason Lee is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jason Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Lee reassigns Medicare benefits to 4 organizations: Thousand Oaks Diagnostic Imaging Center (Thousand Oaks, CA), West Valley Radiology Medical Group, Inc. (West Hills, CA), Palms Imaging Medical Group (Oxnard, CA) and Beverly Radiology Medical Group III (Encino, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jason Lee was last updated on April 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.