OrganizationActive
Citadel Diagnostics
NPI 1306593595 · Clinical Medical Laboratory · Santa Ana, CA
Citadel Diagnostics is a Clinical Medical Laboratory organization in Santa Ana, CA (NPI 1306593595).
Provider details
- NPI number
- 1306593595
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Alfredo Valdez, Owner(909) 728-3270
Specialties & taxonomies
Laboratories
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
1717 Old Tustin Ave
Santa Ana, CA 92705-7879
Phone: (909) 728-3270
Street-level locationGet directions
Mailing address
1267 Willis St Ste 200
Redding, CA 96001-0400
Registry dates
- Enumerated
- 2022-03-07
- Last updated
- 2022-10-06
- Certified
- 2022-10-06
Frequently asked questions
- What is Citadel Diagnostics's NPI number?
- Citadel Diagnostics's National Provider Identifier (NPI) is 1306593595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Citadel Diagnostics?
- Citadel Diagnostics is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Citadel Diagnostics located?
- Citadel Diagnostics's practice location on file with NPPES is 1717 Old Tustin Ave, Santa Ana, CA 92705-7879.
- What is Citadel Diagnostics's phone number?
- The practice phone number listed in the NPPES registry for Citadel Diagnostics is (909) 728-3270.
- Who is the authorized official for Citadel Diagnostics?
- The authorized official listed on Citadel Diagnostics's NPPES record is Alfredo Valdez, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Citadel Diagnostics's NPI active?
- Yes — Citadel Diagnostics's NPI (1306593595) is active in the NPPES registry as of the last update on 2022-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.