United Diagnostics Corporation
NPI 1992892103 · Physiological Laboratory · San Dimas, CA
United Diagnostics Corporation is a Physiological Laboratory organization in San Dimas, CA (NPI 1992892103).
Provider details
- NPI number
- 1992892103
- Entity type
- Organization
- Primary specialty
- Physiological LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Wen Hwang, President/Ceo(909) 599-2999
- License
- WILL ISSUE BY AAET
Specialties & taxonomies
Laboratories
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
- 2006-10-07
- Last updated
- 2009-07-14
Frequently asked questions
- What is United Diagnostics Corporation's NPI number?
- United Diagnostics Corporation's National Provider Identifier (NPI) is 1992892103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is United Diagnostics Corporation?
- United Diagnostics Corporation is classified in the NPPES registry as Physiological Laboratory (Laboratories).
- Where is United Diagnostics Corporation located?
- United Diagnostics Corporation's practice location on file with NPPES is 284 E Arrow Hwy # a, San Dimas, CA 91773-3359.
- What is United Diagnostics Corporation's phone number?
- The practice phone number listed in the NPPES registry for United Diagnostics Corporation is (909) 599-2999.
- Who is the authorized official for United Diagnostics Corporation?
- The authorized official listed on United Diagnostics Corporation's NPPES record is Wen Hwang, President/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is United Diagnostics Corporation's NPI active?
- Yes — United Diagnostics Corporation's NPI (1992892103) is active in the NPPES registry as of the last update on 2009-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.