James Don Murphy, MD
Radiation Oncology Physician · La Jolla, CA
James Don Murphy, MD is a radiation oncology physician with a practice address in La Jolla, California, and NPI 1730382631, issued on Jun 7, 2007. Check the license (California A105348, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Don Murphy
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- A105348 CA
4301090260 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3960 Health Sciences Dr, La Jolla, CA 92093
- Phone
- (858) 822-6040
- Enumerated
- Jun 7, 2007
- Record last updated
- Oct 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120928000521); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2007
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Verify James Don Murphy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $39.38
1 payment: food and beverage; the largest payer was Abiomed. The 3,275 providers of this specialty with any payment received $1,897.85 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 one group practice
- Regents OF The University OF CaliforniaLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Don Murphy among 735 radiation oncology physician records in California
James Don Murphy, MD is one of 735 radiation oncology physician records with a practice address in California. 83% 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 45% of them.
- NPI issued2007 · 45% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2007 · median 2005 among the 545 with a school on file
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in La Jolla → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Sunil Advani, M.D.La Jolla, CA 920931669649844
- Jona Hattangadi-Gluth, MDLa Jolla, CA 920931467625491
- Loren Mell, M.D.La Jolla, CA 920931316119704
- Kevin Murphy, M.D.La Jolla, CA 920931730104167
- Brent Rose, M.D.La Jolla, CA 920931518250869
- Ajay Pal Sandhu, M.D.La Jolla, CA 920931881610137
- Stephen Seagren, M.D.La Jolla, CA 920931386692424
- Daniel Simpson, M.D.La Jolla, CA 920931689974883
Common questions
What is James Don Murphy, MD's NPI number?
James Don Murphy, MD's National Provider Identifier (NPI) is 1730382631, issued on Jun 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Don Murphy, MD located?
The NPPES record lists a practice address at 3960 Health Sciences Dr, La Jolla, CA, 92093. Phone: (858) 822-6040. Providers update this record themselves, so call before visiting.
How can I verify James Don Murphy, MD's license?
NPPES lists California license number A105348, 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.
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.