Harold Dien, R.T.(R)(ARRT), RPA
NPI 1740973866 · Radiology Practitioner Assistant · San Bernardino, CA
Harold Dien, R.T.(R)(ARRT), RPA is a Radiology Practitioner Assistant provider in San Bernardino, CA (NPI 1740973866).
Provider details
- NPI number
- 1740973866
- Entity type
- Individual
- Primary specialty
- Radiology Practitioner AssistantTechnologists, Technicians & Other Technical Service Providers
- Credential
- R.T.(R)(ARRT), RPA
- Sex
- Male
- Sole proprietor
- No
- License
- 574424 (CA)
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
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
3 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
- 2023-06-02
- Last updated
- 2023-06-02
- Certified
- 2023-06-01
Frequently asked questions
- What is Harold Dien's NPI number?
- Harold Dien's National Provider Identifier (NPI) is 1740973866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Dien's specialty?
- Harold Dien is listed in the NPPES registry with a primary specialty of Radiology Practitioner Assistant (Technologists, Technicians & Other Technical Service Providers).
- Where is Harold Dien located?
- Harold Dien's practice location on file with NPPES is 800 E Highland Ave, San Bernardino, CA 92404-4006.
- What is Harold Dien's phone number?
- The practice phone number listed in the NPPES registry for Harold Dien is (909) 450-0640.
- Is Harold Dien's NPI active?
- Yes — Harold Dien's NPI (1740973866) is active in the NPPES registry as of the last update on 2023-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.