Donald Karon, M.D.
NPI 1982668216 · Radiation Oncology Physician · Fountain Valley, CA
Donald Karon, M.D. is a Radiation Oncology Physician provider in Fountain Valley, CA (NPI 1982668216).
Provider details
- NPI number
- 1982668216
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G 051497 (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
20 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
- 2006-04-13
- Last updated
- 2012-05-15
Frequently asked questions
- What is Donald Karon's NPI number?
- Donald Karon's National Provider Identifier (NPI) is 1982668216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Karon's specialty?
- Donald Karon is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Karon located?
- Donald Karon's practice location on file with NPPES is 11190 Warner Ave, Fountain Valley, CA 92708-4019.
- What is Donald Karon's phone number?
- The practice phone number listed in the NPPES registry for Donald Karon is (714) 549-0988.
- Is Donald Karon's NPI active?
- Yes — Donald Karon's NPI (1982668216) is active in the NPPES registry as of the last update on 2012-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.