Tony Castillo
NPI 1821159179 · Radiologic Technologist · Santa Ana, CA
Tony Castillo is a Radiologic Technologist provider in Santa Ana, CA (NPI 1821159179).
Provider details
- NPI number
- 1821159179
- Entity type
- Individual
- Primary specialty
- Radiologic TechnologistTechnologists, Technicians & Other Technical Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- RHF67105 (CA)
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-12
- Last updated
- 2007-07-09
Frequently asked questions
- What is Tony Castillo's NPI number?
- Tony Castillo's National Provider Identifier (NPI) is 1821159179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tony Castillo's specialty?
- Tony Castillo is listed in the NPPES registry with a primary specialty of Radiologic Technologist (Technologists, Technicians & Other Technical Service Providers).
- Where is Tony Castillo located?
- Tony Castillo's practice location on file with NPPES is 1651 E 4th St, Santa Ana, CA 92701-5164.
- What is Tony Castillo's phone number?
- The practice phone number listed in the NPPES registry for Tony Castillo is (714) 835-2915.
- Is Tony Castillo's NPI active?
- Yes — Tony Castillo's NPI (1821159179) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.