YONA NICOLAU M.D.
NPI 1740437953
Pediatrics in Madera, CA

Active since August 19, 2008PECOS Enrolled
9300 VALLEY CHILDRENS PL, MADERA, CA 93636(559) 353-5174 Get Directions Write a Review

NPPES record last updated: August 19, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Yona Nicolau M.d. NPPES

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

YONA NICOLAU M.D. (NPI 1740437953) is an individual pediatrics provider in Madera, California, licensed in California (A105019) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740437953
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameYONA NICOLAUCredential: M.D.
Location Address9300 VALLEY CHILDRENS PLMadera, CA 93636-8761
Mailing Address4 IronwoodIrvine, CA 92604-3264 · (949) 232-9696
Sole ProprietorYes
Enumeration DateAugust 19, 2008
✔ NPI 1740437953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A105019
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.
9300 VALLEY CHILDRENS PL, Madera, CA 93636

Other Names 1

Former Name (1)Ioana Antonela Mos M.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yona Nicolau M.d. 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 Yona Nicolau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 143 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 93636 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

Physical Therapist (Pediatrics)
9300 VALLEY CHILDRENS PL
MADERA, CA 93636
Pharmacist
9300 VALLEY CHILDRENS PL
MADERA, CA 93636
Occupational Therapist
9300 VALLEY CHILDRENS PL
MADERA, CA 93636
Social Worker (Clinical)
9300 VALLEY CHILDRENS PL
MADERA, CA 93636
Student in an Organized Health Care Education/Training Program
9300 VALLEY CHILDRENS PL
MADERA, CA 93636
Pediatrics (Pediatric Endocrinology)
9300 VALLEY CHILDRENS PL, MB23
MADERA, CA 93636
Pediatrics
9300 VALLEY CHILDRENS PL
MADERA, CA 93636
Nurse Practitioner (Pediatrics)
9300 VALLEY CHILDRENS PL
MADERA, CA 93636

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 Yona Nicolau's NPI number?

The NPI number for Yona Nicolau is 1740437953. It was assigned to this individual provider in the NPPES registry on August 19, 2008. The provider is also known as Ioana Antonela Mos M.D..

Where is Yona Nicolau located?

Yona Nicolau practices at 9300 Valley Childrens Pl, Madera, CA 93636. The listed phone number is (559) 353-5174.

What is Yona Nicolau's specialty?

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

Is Yona Nicolau enrolled in Medicare?

Yes. Yona Nicolau is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yona Nicolau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yona Nicolau reassigns Medicare benefits to Uc Regents Uci Dept Of Pediatrics (Orange, 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 Yona Nicolau'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 Yona Nicolau was last updated on August 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.