OrganizationActive
Day III
NPI 1720221872 · Clinic/Center · Hawthorne, CA
Day III is a Clinic/Center organization in Hawthorne, CA (NPI 1720221872).
Provider details
- NPI number
- 1720221872
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Thomas Tweh, President/Ceo(310) 997-8213
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
11823 Truro Ave Apt a
Hawthorne, CA 90250-2835
Phone: (310) 997-8213
Street-level locationGet directions
Mailing address
11823 Truro Ave Apt a
Hawthorne, CA 90250-2835
Registry dates
- Enumerated
- 2009-04-18
- Last updated
- 2009-04-18
Frequently asked questions
- What is Day III's NPI number?
- Day III's National Provider Identifier (NPI) is 1720221872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Day III?
- Day III is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Day III located?
- Day III's practice location on file with NPPES is 11823 Truro Ave Apt a, Hawthorne, CA 90250-2835.
- What is Day III's phone number?
- The practice phone number listed in the NPPES registry for Day III is (310) 997-8213.
- Who is the authorized official for Day III?
- The authorized official listed on Day III's NPPES record is Thomas Tweh, President/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Day III's NPI active?
- Yes — Day III's NPI (1720221872) is active in the NPPES registry as of the last update on 2009-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.