Sandra Valenzuela, NP-C
NPI 1356657993 · Nurse Practitioner · Fontana, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Valenzuela, NP-C is a Nurse Practitioner provider in Fontana, CA (NPI 1356657993).
Provider details
- NPI number
- 1356657993
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- NP 18501 (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
15 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
- 2010-08-20
- Last updated
- 2021-10-23
- Certified
- 2021-10-23
Frequently asked questions
- What is Sandra Valenzuela's NPI number?
- Sandra Valenzuela's National Provider Identifier (NPI) is 1356657993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Valenzuela's specialty?
- Sandra Valenzuela is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandra Valenzuela located?
- Sandra Valenzuela's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Sandra Valenzuela's phone number?
- The practice phone number listed in the NPPES registry for Sandra Valenzuela is (909) 427-5000.
- Does Sandra Valenzuela accept Medicare?
- Sandra Valenzuela is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Valenzuela's NPI active?
- Yes — Sandra Valenzuela's NPI (1356657993) is active in the NPPES registry as of the last update on 2021-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.