Leona Sandrik
NPI 1659744241 · Family Nurse Practitioner · Ontario, CA
Leona Sandrik is a Family Nurse Practitioner provider in Ontario, CA (NPI 1659744241).
Provider details
- NPI number
- 1659744241
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95002857 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2015-11-04
- Last updated
- 2015-11-04
Frequently asked questions
- What is Leona Sandrik's NPI number?
- Leona Sandrik's National Provider Identifier (NPI) is 1659744241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leona Sandrik's specialty?
- Leona Sandrik is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Leona Sandrik located?
- Leona Sandrik's practice location on file with NPPES is 437 N Euclid Ave, Ontario, CA 91762-3456.
- What is Leona Sandrik's phone number?
- The practice phone number listed in the NPPES registry for Leona Sandrik is (909) 988-2555.
- Is Leona Sandrik's NPI active?
- Yes — Leona Sandrik's NPI (1659744241) is active in the NPPES registry as of the last update on 2015-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.