LIANA TIANGCO NURSE PRACTITIONER
NPI 1659265254
Nurse Practitioner - Psychiatric/Mental Health in Rancho Cucamonga, CA

Active since June 06, 2025PECOS EnrolledAccepts Medicare Assignment
7451 VIA SALSIPUEDES, RANCHO CUCAMONGA, CA 91730(818) 317-5526 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Liana Tiangco Nurse Practitioner NPPES

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

LIANA TIANGCO NURSE PRACTITIONER (NPI 1659265254) is an individual psychiatric/mental health provider in Rancho Cucamonga, California, licensed in California (95035072) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1659265254
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameLIANA TIANGCOCredential: NURSE PRACTITIONER
Location Address7451 VIA SALSIPUEDESRancho Cucamonga, CA 91730-1053
Mailing Address7451 Via SalsipuedesRancho Cucamonga, CA 91730-1053 · (818) 317-5526
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateJune 6, 2025
NPPES CertifiedJune 6, 2025
✔ NPI 1659265254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95035072
7451 VIA SALSIPUEDES, Rancho Cucamonga, CA 91730

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Liana Tiangco Nurse Practitioner 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 ID941777593
PECOS Enrollment IDI20260430003322
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

2

Medicare enrollment records show Liana Tiangco reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family
980 W 17TH ST STE C
Santa Ana, CA 92706
  • Reassigned Medicare billing, California enrollment
  • 182 clinicians in this Medicare group
Family Medicine
14642 NEWPORT AVE STE 408
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 33 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 91730 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.

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 Liana Tiangco's NPI number?

The NPI number for Liana Tiangco is 1659265254. It was assigned to this individual provider in the NPPES registry on June 6, 2025.

Where is Liana Tiangco located?

Liana Tiangco practices at 7451 Via Salsipuedes, Rancho Cucamonga, CA 91730. The listed phone number is (818) 317-5526.

What is Liana Tiangco's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Liana Tiangco enrolled in Medicare?

Yes. Liana Tiangco 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 Liana Tiangco's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Liana Tiangco reassigns Medicare benefits to 2 organizations: Mood Clinical, P. C. (Santa Ana, CA) and Dazzle Health P C (Tustin, 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 Liana Tiangco'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 Liana Tiangco was last updated on June 6, 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.