Jason Chen-Shan Lee, M.D.
Diagnostic Radiology Physician · Thousand Oaks, CA
Jason Chen-Shan Lee, M.D. is a diagnostic radiology physician with a practice address in Thousand Oaks, California, and NPI 1104830371, issued on Jul 27, 2006. Check the license (California A82022, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Chen-Shan Lee
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A82022 CA
Self-reported in NPPES; status is on the state search - Practice location
- 227 W Janss RD, Thousand Oaks, CA 91360
- Phone
- (805) 496-7755
- Enumerated
- Jul 27, 2006
- Record last updated
- Apr 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 00A820220 CA
- Medicare enrollment
- Enrolled (PECOS I20051103000531); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 227 W Janss RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Baker, M.D.Pulmonary Disease Physician1922000983
- Philip Barry, MDOrthopaedic Surgery Physician1255330775
- Daniel Benhamou, MDStudent in an Organized Health Care Education/Training Program1639970981
- Paul Block, M.D.Pulmonary Disease Physician1598767550
- Harry Cozen, M.D.Anesthesiology Physician1114998846
- Vishva Dev, M.D.Interventional Cardiology Physician1770513723
Verify Jason Chen-Shan Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $117.03
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Beverly Radiology Medical Group IIIThousand Oaks, CA
- Thousand Oaks Diagnostic Imaging CenterThousand Oaks, CA
- West Valley Radiology Medical Group IncCalabasas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Chen-Shan Lee among 4,500 diagnostic radiology physician records in California
Jason Chen-Shan Lee, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2001 · median 2004 among the 3,130 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Thousand Oaks → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- David Aufrichtig, MDThousand Oaks, CA 913601295705028
- Roy Bryan, M.D.Thousand Oaks, CA 913601396021648
- Michael Hlinka, M.D.Thousand Oaks, CA 913601538145362
- Barry Klein, MDThousand Oaks, CA 913601073585212
- Catherine Moses, MDThousand Oaks, CA 913601033189865
- Ruth Polan, MDThousand Oaks, CA 913601629048350
- Puja Shahrouki, MDThousand Oaks, CA 913601790276079
- Donald Decker, M.D.Thousand Oaks, CA 913611134345622
Common questions
What is Jason Chen-Shan Lee, M.D.'s NPI number?
Jason Chen-Shan Lee, M.D.'s National Provider Identifier (NPI) is 1104830371, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jason Chen-Shan Lee, M.D. located?
The NPPES record lists a practice address at 227 W Janss RD, Thousand Oaks, CA, 91360. Phone: (805) 496-7755. Providers update this record themselves, so call before visiting.
How can I verify Jason Chen-Shan Lee, M.D.'s license?
NPPES lists California license number A82022, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Jason Chen-Shan Lee, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.