Diana L. Gage, M.D., PH.D.
Radiation Oncology Physician · Los Angeles, CA
Diana L. Gage, M.D., PH.D. is a radiation oncology physician with a practice address in Los Angeles, California, and NPI 1538398417, issued on Jul 13, 2009. Check the license (California A94377, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diana L. Gage
- Credential
- M.D., PH.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A94377 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11301 Wilshire Blvd, Los Angeles, CA 90073
- Phone
- (310) 478-3711
- Enumerated
- Jul 13, 2009
- Record last updated
- Jul 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 11301 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frances Abad, FNPFamily Nurse Practitioner1053504514
- Oluwakemi AbayomiPsychiatric/Mental Health Nurse Practitioner1598508913
- Vanessa AbcedeSocial Worker1306584495
- Maren Abromowitz, FNP-BCFamily Nurse Practitioner1356950919
- Nayiri Adessian, MS, CCC-SLPSpeech-Language Pathologist1326761420
- Farzad AdibStudent in an Organized Health Care Education/Training Program1558745869
Verify Diana L. Gage in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other radiation oncology physician records in California
- Christina Abel, NURSE PRACTITIONEROrange, CA1033638911
- Jonathan Abelson, M.D.Thousand Oaks, CA1730348053
- Roy Abendroth, MDSan Francisco, CA1811988421
- Sunil Advani, M.D.La Jolla, CA1669649844
- Faisal Ahmed, MDStanford, CA1427314855
- Eugene Ahn, MDSimi Valley, CA1912999533
- Matthew Allen, MDRedding, CA1235301714
- Zahora Ally, MDAntioch, CA1306839915
- Munther Alqaisi, M.D.San Bernardino, CA1356454300
- Alessandra Amadeo, MDTorrance, CA1225011034
Common questions
What is Diana L. Gage, M.D., PH.D.'s NPI number?
Diana L. Gage, M.D., PH.D.'s National Provider Identifier (NPI) is 1538398417, issued on Jul 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Diana L. Gage, M.D., PH.D. located?
The NPPES record lists a practice address at 11301 Wilshire Blvd, Los Angeles, CA, 90073. Phone: (310) 478-3711. Providers update this record themselves, so call before visiting.
How can I verify Diana L. Gage, M.D., PH.D.'s license?
NPPES lists California license number A94377, 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. 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.