ROSMIR ROSETA VILLALUZ FNP
NPI 1003549437
Nurse Practitioner in West Hills, CA

Active since July 04, 2022PECOS EnrolledAccepts Medicare Assignment
7300 MEDICAL CENTER DR, WEST HILLS, CA 91307(818) 676-4000 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2025, Jul 15, 2022, Jul 4, 2022 (3 updates tracked since 2022).

About Rosmir Roseta Villaluz Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROSMIR ROSETA VILLALUZ FNP (NPI 1003549437) is an individual nurse practitioner in West Hills, California, licensed in California (95021639) and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1003549437
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameROSMIR ROSETA VILLALUZCredential: FNP
Location Address7300 MEDICAL CENTER DRWest Hills, CA 91307-1902
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJuly 4, 2022
Last NPPES UpdateAugust 5, 20253 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
✔ NPI 1003549437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95021639
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 95021639 (CA)
7300 MEDICAL CENTER DR, West Hills, CA 91307

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

Rosmir Roseta Villaluz 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.

PECOS PAC ID8820471527
PECOS Enrollment IDI20230620000662
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Rosmir Villaluz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
18300 ROSCOE BLVD
Northridge, CA 91325
  • Reassigned Medicare billing, California enrollment
  • 137 clinicians in this Medicare group
Emergency Medicine
757 WESTWOOD PLZ, STE 1419
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 135 clinicians in this Medicare group
Emergency Medicine
4002 VISTA WAY
Oceanside, CA 92056
  • Reassigned Medicare billing, California enrollment
  • 140 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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
81 services81 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
49 services47 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
19 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91307 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Hospitalist
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Radiology (Diagnostic Radiology)
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Emergency Medicine
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
General Acute Care Hospital
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Emergency Medicine
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Emergency Medicine
7300 MEDICAL CENTER DR, EMERGENCY DEPARTMENT
WEST HILLS, CA 91307
Nurse Practitioner (Family)
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Emergency Medicine
7300 MEDICAL CENTER DR, EMERGENCY DEPARTMENT
WEST HILLS, CA 91307

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 Rosmir Villaluz's NPI number?

The NPI number for Rosmir Villaluz is 1003549437. It was assigned to this individual provider in the NPPES registry on July 4, 2022.

Where is Rosmir Villaluz located?

Rosmir Villaluz practices at 7300 Medical Center Dr, West Hills, CA 91307. The listed phone number is (818) 676-4000.

What is Rosmir Villaluz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Rosmir Villaluz enrolled in Medicare?

Yes. Rosmir Villaluz 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 Rosmir Villaluz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rosmir Villaluz reassigns Medicare benefits to 3 organizations: Ridgeline Emergency Physicians Medical Group, Inc. (Northridge, CA), Regents Of The Univ Of Ca Emer Med (Los Angeles, CA) and Team Physicians Of Southern California Medical Group, Inc. (Oceanside, 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 Rosmir Villaluz'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 Rosmir Villaluz was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.