Donna Leffler Health Clinic
NPI 1689884504 · Community Health Clinic/Center · Rialto, CA
Donna Leffler Health Clinic is a Community Health Clinic/Center organization in Rialto, CA (NPI 1689884504).
Provider details
- NPI number
- 1689884504
- Entity type
- Organization
- Primary specialty
- Community Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Annette Witkofsky, Director of Health Services(909) 820-8775
- License
- CH02077 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
- 2007-05-22
- Last updated
- 2020-08-22
Frequently asked questions
- What is Donna Leffler Health Clinic's NPI number?
- Donna Leffler Health Clinic's National Provider Identifier (NPI) is 1689884504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Donna Leffler Health Clinic?
- Donna Leffler Health Clinic is classified in the NPPES registry as Community Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Donna Leffler Health Clinic located?
- Donna Leffler Health Clinic's practice location on file with NPPES is 815 S Willow Ave, Rialto, CA 92376-6934.
- What is Donna Leffler Health Clinic's phone number?
- The practice phone number listed in the NPPES registry for Donna Leffler Health Clinic is (909) 820-7785.
- Who is the authorized official for Donna Leffler Health Clinic?
- The authorized official listed on Donna Leffler Health Clinic's NPPES record is Annette Witkofsky, Director of Health Services. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Donna Leffler Health Clinic's NPI active?
- Yes — Donna Leffler Health Clinic's NPI (1689884504) 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.