James H. Day, MD
Diagnostic Radiology Physician · Santa Barbara, CA
James H. Day, MD is a diagnostic radiology physician with a practice address in Santa Barbara, California, and NPI 1861445249, issued on May 18, 2006. Check the license (California C41207, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James H. Day
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- C41207 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2320 Bath St, Santa Barbara, CA 93105
- Phone
- (805) 682-7984
- Enumerated
- May 18, 2006
- Record last updated
- Apr 8, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (805) 569-2964
- Medicaid ID
- 00C412070 CA
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 2320 Bath St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bruce Bailey, MDInternal Medicine Physician1083740526
- Steven Berrett, MDDiagnostic Radiology Physician1790738177
- Gary Blum, MDDiagnostic Radiology Physician1629020615
- John Bohannan, MDDiagnostic Radiology Physician1689627002
- Joseph Burns, MDDiagnostic Radiology Physician1144218090
- Ramona Clark, MDDiagnostic Radiology Physician1750334173
Verify James H. Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
12 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.
James H. Day among 4,500 diagnostic radiology physician records in California
James H. Day, 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 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).
72 diagnostic radiology physician records list a practice address in Santa Barbara
They are 72 of the 5,328 NPPES records with a practice address in Santa Barbara, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Santa Barbara → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- James Benzian, M.D.Santa Barbara, CA 931051497754931
- Bernard Chow, M.D.Santa Barbara, CA 931051770582751
- Kenneth Daughters, M.D.Santa Barbara, CA 931051598764193
- Thomas Daughters, M.D.Santa Barbara, CA 931051841283397
- Arthur Lee, M.D.Santa Barbara, CA 931051306845847
- John Mardiat, M.D.Santa Barbara, CA 931051801896675
- Monica Micon, M.D.Santa Barbara, CA 931051730188236
- Kathleen Pojunas, M.D.Santa Barbara, CA 931051386643989
Common questions
What is James H. Day, MD's NPI number?
James H. Day, MD's National Provider Identifier (NPI) is 1861445249, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James H. Day, MD located?
The NPPES record lists a practice address at 2320 Bath St, Santa Barbara, CA, 93105. Phone: (805) 682-7984. Providers update this record themselves, so call before visiting.
How can I verify James H. Day, MD's license?
NPPES lists California license number C41207, 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 James H. Day, MD prescribe under Medicare Part D?
In 2024, James H. Day, MD had 12 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.