HELENA MARIE OLIVIERI
NPI 1295437960
Pediatrics in Orange, CA

Active since March 20, 2023PECOS Enrolled
101 THE CITY DR S, ORANGE, CA 92868(714) 456-8888 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 3, 2026, Mar 20, 2023 (2 updates tracked since 2023).

About Helena Marie Olivieri NPPES

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

HELENA MARIE OLIVIERI (NPI 1295437960) is an individual pediatrics provider in Orange, California, licensed in California (A198793) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Georgetown University School Of Medicine (2023).

NPPES Registry Identity

NPI1295437960
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameHELENA MARIE OLIVIERI
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address505 S Main St Ste 525Orange, CA 92868-4553 · (714) 509-8547
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2023
Enumeration DateMarch 20, 2023
Last NPPES UpdateJune 3, 20262 updates tracked since enumeration
NPPES CertifiedJune 3, 2026
✔ NPI 1295437960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A198793
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
101 THE CITY DR S, Orange, CA 92868

Secondary Practice Location 1

Location 1505 S Main St Ste 525Orange, CA 92868-4553 · Phone (714) 509-8547

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Helena Marie Olivieri is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325519333
PECOS Enrollment IDI20260609004633
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 Helena Olivieri reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 114 clinicians in this Medicare group
Pediatrics
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 143 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
800 N MAIN ST
Santa Ana, CA 92701
  • Reassigned Medicare billing, California enrollment
  • 255 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 92868 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.

Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868

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 Helena Olivieri's NPI number?

The NPI number for Helena Olivieri is 1295437960. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Where is Helena Olivieri located?

Helena Olivieri practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-8888.

What is Helena Olivieri's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Helena Olivieri enrolled in Medicare?

Yes. Helena Olivieri is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Helena Olivieri's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helena Olivieri reassigns Medicare benefits to 3 organizations: Regents Of The University Of (Orange, CA), Uc Regents Uci Dept Of Pediatrics (Orange, CA) and University Of California Irvine (Santa Ana, 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 Helena Olivieri'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 Helena Olivieri was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.