Diana Gage, M.D., PH.D.
NPI 1538398417 · Radiation Oncology Physician · Los Angeles, CA
Diana Gage, M.D., PH.D. is a Radiation Oncology Physician provider in Los Angeles, CA (NPI 1538398417).
Provider details
- NPI number
- 1538398417
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A94377 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-13
- Last updated
- 2009-07-13
Frequently asked questions
- What is Diana Gage's NPI number?
- Diana Gage's National Provider Identifier (NPI) is 1538398417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Gage's specialty?
- Diana Gage is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Gage located?
- Diana Gage's practice location on file with NPPES is 11301 Wilshire Blvd, Los Angeles, CA 90073-1003.
- What is Diana Gage's phone number?
- The practice phone number listed in the NPPES registry for Diana Gage is (310) 478-3711.
- Is Diana Gage's NPI active?
- Yes — Diana Gage's NPI (1538398417) is active in the NPPES registry as of the last update on 2009-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.