Duke K. Bahn, MD
Diagnostic Radiology Physician · Ventura, CA
Duke K. Bahn, MD is a diagnostic radiology physician with a practice address in Ventura, California, and NPI 1174579700, issued on May 25, 2006. Check the license (California C50752, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Duke K. Bahn
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- C50752 CA
Self-reported in NPPES; status is on the state search - Practice location
- 168 N Brent St, Ventura, CA 93003
- Phone
- (888) 234-0004
- Enumerated
- May 25, 2006
- Record last updated
- Jul 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (888) 641-3965
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 168 N Brent St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Duke K. Bahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C50752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
36 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Duke K. Bahn among 4,500 diagnostic radiology physician records in California
Duke K. Bahn, MD 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 fileNo · 70% of these records are
- Record last updated2019 · 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 Ventura → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Matthew Carr, M.D.Ventura, CA 930031336202365
- Kyu Choi, MDVentura, CA 930031316986938
- Wook-Chin Chong, MDVentura, CA 930031982656203
- Roger GoldmanVentura, CA 930031619313566
- Reed Horwitz, M.D.Ventura, CA 930031558420398
- Bruce Matthews, M.D.Ventura, CA 930031134283344
- John McMahan, M.D.Ventura, CA 930031104980317
- Eric Wallace, MDVentura, CA 930031578502191
Common questions
What is Duke K. Bahn, MD's NPI number?
Duke K. Bahn, MD's National Provider Identifier (NPI) is 1174579700, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Duke K. Bahn, MD located?
The NPPES record lists a practice address at 168 N Brent St, Ventura, CA, 93003. Phone: (888) 234-0004. Providers update this record themselves, so call before visiting.
How can I verify Duke K. Bahn, MD's license?
NPPES lists California license number C50752, 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.
How much does Duke K. Bahn, MD prescribe under Medicare Part D?
In 2024, Duke K. Bahn, MD had 36 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
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.