OrganizationActive
21st Century Medical Corp.
NPI 1669509170 · Public Health or Welfare Agency · Santa Ana, CA
21st Century Medical Corp. is a Public Health or Welfare Agency organization in Santa Ana, CA (NPI 1669509170).
Provider details
- NPI number
- 1669509170
- Entity type
- Organization
- Primary specialty
- Public Health or Welfare AgencyAgencies
- Organization subpart
- No
- Authorized official
- Don Ellis, President(949) 851-8185
Specialties & taxonomies
Agencies
Profile Score
Detailed profile(90/100 index)
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
1921 Carnegie Ave
Suite 3-K
Santa Ana, CA 92705-5510
Phone: (949) 851-8185
Street-level locationGet directions
Mailing address
1921 Carnegie Ave
Santa Ana, CA 92705-5510
Registry dates
- Enumerated
- 2007-02-28
- Last updated
- 2020-08-22
Frequently asked questions
- What is 21st Century Medical Corp.'s NPI number?
- 21st Century Medical Corp.'s National Provider Identifier (NPI) is 1669509170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is 21st Century Medical Corp.?
- 21st Century Medical Corp. is classified in the NPPES registry as Public Health or Welfare Agency (Agencies).
- Where is 21st Century Medical Corp. located?
- 21st Century Medical Corp.'s practice location on file with NPPES is 1921 Carnegie Ave, Santa Ana, CA 92705-5510.
- What is 21st Century Medical Corp.'s phone number?
- The practice phone number listed in the NPPES registry for 21st Century Medical Corp. is (949) 851-8185.
- Who is the authorized official for 21st Century Medical Corp.?
- The authorized official listed on 21st Century Medical Corp.'s NPPES record is Don Ellis, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is 21st Century Medical Corp.'s NPI active?
- Yes — 21st Century Medical Corp.'s NPI (1669509170) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.