ELLEN RUTH MONACO NP
NPI 1689860231
Nurse Practitioner - Women's Health in Oxnard, CA
About Ellen Ruth Monaco Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN RUTH MONACO NP (NPI 1689860231) is an individual women's health provider in Oxnard, California, licensed in California (16275) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 3
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
Ellen Ruth Monaco Np 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
2Medicare enrollment records show Ellen Monaco reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 216 clinicians in this Medicare group
Canoga Park, CA 91303
- Reassigned Medicare billing, California enrollment
- 218 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93036 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OXNARD, CA 93036
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 Ellen Monaco's NPI number?
The NPI number for Ellen Monaco is 1689860231. It was assigned to this individual provider in the NPPES registry on September 18, 2007.
Where is Ellen Monaco located?
Ellen Monaco practices at 2600 E Vineyard Ave, Oxnard, CA 93036. The listed phone number is (805) 436-3444.
What is Ellen Monaco's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Ellen Monaco enrolled in Medicare?
Yes. Ellen Monaco 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 Ellen Monaco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Monaco reassigns Medicare benefits to 2 organizations: Clinicas Del Camino Real Inc (Oxnard, CA) and Northeast Valley Health Corporation (Canoga Park, CA). 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 Ellen Monaco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ellen Monaco was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Ellen Ruth Monaco, NP · NPI 1689860231
Women's Health physician in Oxnard, California. Individual provider, active in the CMS NPPES registry since September 18, 2007.
## Identity
- **NPI:** 1689860231 (Entity type: Individual)
- **Enumerated:** September 18, 2007
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 16275 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2600 E VINEYARD AVE, Oxnard, CA 93036-1615
- **Phone:** (805) 436-3444 · **Fax:** (805) 485-4160
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Clinicas Del Camino Real Inc (NPI 1134369366, Oxnard, CA); Northeast Valley Health Corporation (NPI 1740281120, Canoga Park, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** August 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1689860231) · Data from the CMS NPPES public registry.