Agnes Sara Rivera, FNP-C
NPI 1851853964 · Family Nurse Practitioner · Riverside, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Agnes Sara Rivera, FNP-C is a Family Nurse Practitioner provider in Riverside, CA (NPI 1851853964).
Provider details
- NPI number
- 1851853964
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- NP95011394 (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 tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$56 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-05
- Last updated
- 2024-10-25
- Certified
- 2020-08-06
Frequently asked questions
- What is Agnes Sara Rivera's NPI number?
- Agnes Sara Rivera's National Provider Identifier (NPI) is 1851853964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Agnes Sara Rivera's specialty?
- Agnes Sara Rivera is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Agnes Sara Rivera located?
- Agnes Sara Rivera's practice location on file with NPPES is 491 E Alessandro Blvd, Riverside, CA 92508-6071.
- What is Agnes Sara Rivera's phone number?
- The practice phone number listed in the NPPES registry for Agnes Sara Rivera is (951) 780-1835.
- Does Agnes Sara Rivera accept Medicare?
- Agnes Sara Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Agnes Sara Rivera's NPI active?
- Yes — Agnes Sara Rivera's NPI (1851853964) is active in the NPPES registry as of the last update on 2024-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.