LOURDES VILLASENOR FNP
NPI 1215421433
Nurse Practitioner - Family in Ontario, CA
About Lourdes Villasenor Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOURDES VILLASENOR FNP (NPI 1215421433) is an individual family provider in Ontario, California, licensed in California (95009251) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Aspirus Rhinelander Hospital, and maintains a secondary practice location in Waupaca.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lourdes Villasenor Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
14Medicare enrollment records show Lourdes Villasenor reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ontario, CA 91762
- Reassigned Medicare billing, California enrollment
- 10 clinicians in this Medicare group
West Covina, CA 91790
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
Whittier, CA 90605
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 129 clinicians in this Medicare group
Ridgecrest, CA 93555
- Reassigned Medicare billing, California enrollment
- 143 clinicians in this Medicare group
Gilman, WI 54433
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Langlade Hospital - Hotel Dieu Of St Joseph Of Antigo Wisconsin
- Also billed through NPI 1821151366 (Wisconsin)
- 321 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aspirus Rhinelander Hospital
Acute Care Hospitals · Rhinelander, WIAspirus Medford Hospital & Clinics, Inc
Critical Access Hospitals · Medford, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91762 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ONTARIO, CA 91762
ONTARIO, CA 91762
ONTARIO, CA 91762
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lourdes Villasenor's NPI number?
The NPI number for Lourdes Villasenor is 1215421433. It was assigned to this individual provider in the NPPES registry on June 20, 2018.
Where is Lourdes Villasenor located?
Lourdes Villasenor practices at 1520 N Mountain Ave Ste 128, Ontario, CA 91762. The listed phone number is (909) 949-9299.
What is Lourdes Villasenor's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lourdes Villasenor enrolled in Medicare?
Yes. Lourdes Villasenor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lourdes Villasenor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lourdes Villasenor reassigns Medicare benefits to 14 organizations: Nagasamudra S Ashok MD Inc (Ontario, CA), Zenmedicine (West Covina, CA), East Valley Emergency Medical Associates, Inc (Whittier, CA), Seven Star Hospital Associates Inc. (Hemet, CA), Apex Emergency Medical Group, Inc. (Hemet, CA) and 9 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lourdes Villasenor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lourdes Villasenor accept?
Health plans from Anthem Blue Cross and Blue Shield list Lourdes Villasenor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Lourdes Villasenor affiliated with any hospitals?
According to CMS data, Lourdes Villasenor is affiliated with Aspirus Rhinelander Hospital and Aspirus Medford Hospital & Clinics, Inc.
When was this NPI record last updated?
The NPPES record for Lourdes Villasenor was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Lourdes Villasenor, FNP · NPI 1215421433
Family physician in Ontario, California. Individual provider, active in the CMS NPPES registry since June 20, 2018.
## Identity
- **NPI:** 1215421433 (Entity type: Individual)
- **Enumerated:** June 20, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95009251 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1520 N MOUNTAIN AVE STE 128, Ontario, CA 91762-1132
- **Phone:** (909) 949-9299
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 14 organizations under Medicare reassignment (form CMS-855R): Nagasamudra S Ashok MD Inc (NPI 1851709406, Ontario, CA); Zenmedicine (NPI 1821567488, West Covina, CA); East Valley Emergency Medical Associates, Inc (NPI 1346287430, Whittier, CA); Seven Star Hospital Associates Inc. (NPI 1407459506, Hemet, CA); Apex Emergency Medical Group, Inc. (NPI 1265711089, Hemet, CA); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215421433) · Data from the CMS NPPES public registry.