David Charles Hansen, M.D.
Diagnostic Radiology Physician · Orinda, CA
David Charles Hansen, M.D. is a diagnostic radiology physician with a practice address in Orinda, California, and NPI 1750741021, issued on Mar 1, 2016. Check the license (California C21471, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Charles Hansen
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- C21471 CA
Self-reported in NPPES; status is on the state search - Practice location
- 543 Tahos Road, Orinda, CA 94563
- Phone
- (925) 254-1328
- Enumerated
- Mar 1, 2016
- Record last updated
- Mar 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (925) 254-8827
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Verify David Charles Hansen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C21471Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
11 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clopidogrel11 claims
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.
David Charles Hansen among 4,500 diagnostic radiology physician records in California
David Charles Hansen, 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 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2016 · 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 Orinda → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Mark Larsen, M.D.Orinda, CA 945631992894141
- Daniel Bunnell, MDNapa, CA 945581417921792
- David Goller, M.D.Napa, CA 945581770558686
- Andrew Nicks, MDNapa, CA 945581326014820
- Christopher Schultz, M.D.Napa, CA 945581609842095
- Bruce Troup, M.D.Napa, CA 945581295701605
- Benjamin Vanderzwaag, M.D.Napa, CA 945581245201805
- Tomislav Leskovar, M.D.Moraga, CA 945561265654172
Common questions
What is David Charles Hansen, M.D.'s NPI number?
David Charles Hansen, M.D.'s National Provider Identifier (NPI) is 1750741021, issued on Mar 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is David Charles Hansen, M.D. located?
The NPPES record lists a practice address at 543 Tahos Road, Orinda, CA, 94563. Phone: (925) 254-1328. Providers update this record themselves, so call before visiting.
How can I verify David Charles Hansen, M.D.'s license?
NPPES lists California license number C21471, 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 David Charles Hansen, M.D. prescribe under Medicare Part D?
In 2024, David Charles Hansen, M.D. had 11 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.