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ANGELA GRACE LLAMAS VILLANUEVA FNP-C
NPI 1154121358
Nurse Practitioner - Family in Upland, CA

Active since March 17, 2025PECOS Enrolled
685 N 13TH AVE STE 1, UPLAND, CA 91786(714) 603-9616 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 25, 2026, Jan 28, 2026, Jun 26, 2025 and 1 more (4 updates tracked since 2025).

About Angela Grace Llamas Villanueva Fnp-c NPPES

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

ANGELA GRACE LLAMAS VILLANUEVA FNP-C (NPI 1154121358) is an individual family provider in Upland, California, licensed in California (95033468) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS and maintains a secondary practice location in Upland.

NPPES Registry Identity

NPI1154121358
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameANGELA GRACE LLAMAS VILLANUEVACredential: FNP-C
Location Address685 N 13TH AVE STE 1Upland, CA 91786-4963
Mailing Address685 N 13th AveUpland, CA 91786-4916 · (909) 981-8383
Phone(714) 603-9616
Sole ProprietorNo
Enumeration DateMarch 17, 2025
Last NPPES UpdateMarch 25, 20264 updates tracked since enumeration
NPPES CertifiedMarch 25, 2026
✔ NPI 1154121358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95033468
685 N 13TH AVE STE 1, Upland, CA 91786
Open in Google Maps ↗

Secondary Practice Location 1

Location 1685 N 13th Ave Ste 2Upland, CA 91786-4963 · Phone (909) 500-8683

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Angela Grace Llamas Villanueva 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 Reassignment

Medicare enrollment records show Angela Grace Villanueva reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

United Heart Institute
Same address
Cardiovascular Disease
685 N 13TH AVE
Upland, CA 91786
  • Reassigned Medicare billing, California enrollment
  • 8 clinicians in this Medicare group
NPI 1871394791 (909) 500-8683

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 91786 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 2

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

BYUNG DON AHN MD
Internal Medicine (Cardiovascular Disease)
685 N 13TH AVE STE 1
UPLAND, CA 91786
San Bernardino County (909) 500-8683
SHUCHI PARIKH
Nurse Practitioner (Family)
685 N 13TH AVE STE 1
UPLAND, CA 91786
San Bernardino County (909) 500-8683

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 Angela Grace Villanueva's NPI number?

The NPI number for Angela Grace Villanueva is 1154121358. It was assigned to this individual provider in the NPPES registry on March 17, 2025.

Where is Angela Grace Villanueva located?

Angela Grace Villanueva practices at 685 N 13th Ave Ste 1, Upland, CA 91786. The listed phone number is (714) 603-9616.

What is Angela Grace Villanueva's specialty?

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

Is Angela Grace Villanueva enrolled in Medicare?

Yes. Angela Grace Villanueva is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Angela Grace Villanueva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Angela Grace Villanueva reassigns Medicare benefits to United Heart Institute (Upland, CA). The 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 Angela Grace Villanueva'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 Angela Grace Villanueva was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.