DR. KATRINA TAN IBONIA M.D.
NPI 1811200124
Pediatrics - Neonatal-Perinatal Medicine in Madera, CA

Q: What is Katrina Ibonia's NPI number?

The NPI number for Katrina Ibonia is 1811200124. It was assigned to this individual provider in the NPPES registry on July 16, 2010.

Q: What is Katrina Ibonia's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Katrina Ibonia was last updated on January 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since July 16, 2010PECOS Enrolled

9300 VALLEY CHILDRENS PL # SE21, MADERA, CA 93636(559) 353-8769(559) 353-5580 Get Directions Write a Review

NPPES record last updated: January 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 11, 2026, Mar 1, 2022, Jan 29, 2020 and 1 more (4 updates tracked since 2017).

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About Dr. Katrina Tan Ibonia M.d. NPPES

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

DR. KATRINA TAN IBONIA M.D. (NPI 1811200124) is an individual neonatal-perinatal medicine provider in Madera, California, licensed in California (A165664) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1811200124

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameDR. KATRINA TAN IBONIACredential: M.D.

Location Address9300 VALLEY CHILDRENS PL # SE21Madera, CA 93636-8762

Mailing Address39000 Bob Hope DrRancho Mirage, CA 92270-3221 · (760) 340-3911 · Fax (760) 834-7874

Phone(559) 353-8769

Fax(559) 353-5580

Sole ProprietorYes

Enumeration DateJuly 16, 2010

Last NPPES UpdateJanuary 11, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 11, 2026

✔ NPI 1811200124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

Licenses✔ Licensed in CA · A165664✔ Licensed in KY · 45903✔ Licensed in GU · M-2029

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

9300 VALLEY CHILDRENS PL # SE21, Madera, CA 93636

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Secondary Practice Locations 2

Location 1800 Rose StLexington, KY 40536-0001 · Phone (859) 323-5000

Location 239000 Bob Hope DrRancho Mirage, CA 92270-3221 · Phone (760) 340-3911 · Fax (760) 834-7874

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katrina Tan Ibonia 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 Reassignments

Medicare enrollment records show Katrina Ibonia reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Valley Children's Medical Group

85 mi

Pediatrics

1524 MCHENRY AVE, SUITE 550
Modesto, CA 95350

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Valley Childrens Medical Group
387 clinicians in this Medicare group

NPI 1437555265 (559) 353-5010

Eisenhower Medical Center

269 mi

General Acute Care Hospital

57725 29 PALMS HWY STE 201
Yucca Valley, CA 92284

Reassigned Medicare billing, California enrollment
595 clinicians in this Medicare group

NPI 1114364866 (760) 346-7655

Guam Healthcare Development Incorporated

Clinic/Center

133 ROUTE 3
Dededo, GU 96929

Reassigned Medicare billing, Guam enrollment
432 clinicians in this Medicare group

NPI 1326447939 (671) 645-5500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 4

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

DR. JEFFREY THOMAS PIETZ MD

Pediatrics (Neonatal-Perinatal Medicine)

9300 VALLEY CHILDRENS PL # SE21
MADERA, CA 93636

Madera County (559) 353-8769

DR. HAL HELBOCK MD

Pediatrics (Neonatal-Perinatal Medicine)

9300 VALLEY CHILDRENS PL # SE21
MADERA, CA 93636

Madera County (559) 353-8769

PRASHANT AGARWAL M.D.

Pediatrics (Neonatal-Perinatal Medicine)

9300 VALLEY CHILDRENS PL # SE21
MADERA, CA 93636

Madera County (559) 353-5460

DR. RADHIKA NARANG M.D.

Pediatrics (Neonatal-Perinatal Medicine)

9300 VALLEY CHILDRENS PL # SE21
MADERA, CA 93636

Madera County (559) 353-8769

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 Katrina Ibonia's NPI number?

The NPI number for Katrina Ibonia is 1811200124. It was assigned to this individual provider in the NPPES registry on July 16, 2010.

Where is Katrina Ibonia located?

Katrina Ibonia practices at 9300 Valley Childrens Pl # Se21, Madera, CA 93636. The listed phone number is (559) 353-8769.

What is Katrina Ibonia's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Katrina Ibonia enrolled in Medicare?

Yes. Katrina Ibonia is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katrina Ibonia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katrina Ibonia reassigns Medicare benefits to 3 organizations: Valley Children's Medical Group (Modesto, CA), Eisenhower Medical Center (Yucca Valley, CA) and Guam Healthcare Development Incorporated (Dededo, GU). 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 Katrina Ibonia'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 Katrina Ibonia was last updated on January 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.