Donald Edmond Decker, M.D.
Diagnostic Radiology Physician · Thousand Oaks, CA
Donald Edmond Decker, M.D. is a diagnostic radiology physician with a practice address in Thousand Oaks, California, and NPI 1134345622, issued on Apr 17, 2007. Check the license (California 101962, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Edmond Decker
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 101962 CA
Self-reported in NPPES; status is on the state search - Practice location
- 415 Rolling Oaks Dr, Thousand Oaks, CA 91361
- Phone
- (805) 778-1513
- Enumerated
- Apr 17, 2007
- Record last updated
- Feb 24, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080529000922); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 415 Rolling Oaks Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Donald Edmond Decker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 101962Check 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): 91.2 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).
Bills Medicare through one group practice
- Beverly Radiology Medical Group IIIToluca Lake, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Edmond Decker among 4,500 diagnostic radiology physician records in California
Donald Edmond Decker, 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 41% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2003 · median 2004 among the 3,130 with a school on file
- Record last updated2014 · 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
- Deborah Abelson, M.D.Thousand Oaks, CA 913611821277252
- Nazanin Asvadi, MDThousand Oaks, CA 913611689197196
- Rachel Delfanti, MDThousand Oaks, CA 913611861835076
- Michael Edelstein, M.D.Westlake Village, CA 913611275622094
- Roy Gottlieb, D.O.Thousand Oaks, CA 913611760431902
- Josephine Lee, M.D.Thousand Oaks, CA 913611316997810
- Robert Princenthal, MDThousand Oaks, CA 913611265481295
- Robert Sitarz, MDThousand Oaks, CA 913611831307677
Common questions
What is Donald Edmond Decker, M.D.'s NPI number?
Donald Edmond Decker, M.D.'s National Provider Identifier (NPI) is 1134345622, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Donald Edmond Decker, M.D. located?
The NPPES record lists a practice address at 415 Rolling Oaks Dr, Thousand Oaks, CA, 91361. Phone: (805) 778-1513. Providers update this record themselves, so call before visiting.
How can I verify Donald Edmond Decker, M.D.'s license?
NPPES lists California license number 101962, 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 Donald Edmond Decker, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.2 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.