MS. SABRINA YAP GARROVILLAS RN, MSN, FNP-C
NPI 1811310287
Nurse Practitioner - Family in Riverside, CA

Active since January 21, 2014PECOS Enrolled
4310 ORANGE ST, RIVERSIDE, CA 92501(951) 781-6335(951) 781-6365 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Sabrina Yap Garrovillas Rn, Msn, Fnp-c NPPES

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

MS. SABRINA YAP GARROVILLAS RN, MSN, FNP-C (NPI 1811310287) is an individual family provider in Riverside, California, licensed in California (95000244) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811310287
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. SABRINA YAP GARROVILLASCredential: RN, MSN, FNP-C
Location Address4310 ORANGE STRiverside, CA 92501-3829
Mailing Address4310 Orange StRiverside, CA 92501-3829 · (951) 781-6335 · Fax (951) 781-6365
Fax(951) 781-6365
Sole ProprietorNo
Enumeration DateJanuary 21, 2014
Last NPPES UpdateMarch 7, 2023
✔ NPI 1811310287 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95000244
Also ListedRegistered NurseTaxonomy 163W00000X · License 785115 (CA)
4310 ORANGE ST, Riverside, CA 92501

Other Identifiers 2

Other785115CA · Registered Nurse License Number
Other95000244CA · Nurse Practitioner Furnishing License Number

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Sabrina Yap Garrovillas Rn, Msn, Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Sabrina Garrovillas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
4310 ORANGE ST
Riverside, CA 92501
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
Family Medicine
4310 ORANGE ST
Riverside, CA 92501
  • Reassigned Medicare billing, California enrollment
  • 8 clinicians in this Medicare group
Emergency Medicine
1111 W LA PALMA AVE, EMERGENCY DEPT
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 40 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 92501 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 14

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

Nurse Practitioner (Family)
4310 ORANGE ST
RIVERSIDE, CA 92501
Physician Assistant
4310 ORANGE ST
RIVERSIDE, CA 92501
General Practice
4310 ORANGE ST
RIVERSIDE, CA 92501
Nurse Practitioner (Family)
4310 ORANGE ST
RIVERSIDE, CA 92501
Community Health Worker
4310 ORANGE ST
RIVERSIDE, CA 92501
Non-Pharmacy Dispensing Site
4310 ORANGE ST
RIVERSIDE, CA 92501
Nurse Practitioner
4310 ORANGE ST
RIVERSIDE, CA 92501
Social Worker
4310 ORANGE ST
RIVERSIDE, CA 92501

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 Sabrina Garrovillas's NPI number?

The NPI number for Sabrina Garrovillas is 1811310287. It was assigned to this individual provider in the NPPES registry on January 21, 2014.

Where is Sabrina Garrovillas located?

Sabrina Garrovillas practices at 4310 Orange St, Riverside, CA 92501. The listed phone number is (951) 781-6335.

What is Sabrina Garrovillas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sabrina Garrovillas enrolled in Medicare?

Yes. Sabrina Garrovillas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sabrina Garrovillas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sabrina Garrovillas reassigns Medicare benefits to 3 organizations: Palliative Partners, Inc (Riverside, CA), Riverside Family Physicians, A Professional Medical Corporation (Riverside, CA) and Southland Emergency Medical Associates Inc (Anaheim, 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 Sabrina Garrovillas'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 Sabrina Garrovillas was last updated on March 7, 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.