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CHRISTINE E BIXBY MD
NPI 1184752610
Pediatrics - Neonatal-Perinatal Medicine in Orange, CA

Active since February 28, 2007PECOS Enrolled
455 S MAIN ST, ORANGE, CA 92868(714) 532-8620(714) 289-4072 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Christine E Bixby Md NPPES

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

CHRISTINE E BIXBY MD (NPI 1184752610) is an individual neonatal-perinatal medicine provider in Orange, California, licensed in California (A81484) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184752610
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameCHRISTINE E BIXBYCredential: MD
Location Address455 S MAIN STOrange, CA 92868-3835
Mailing Address455 S Main StOrange, CA 92868-3835 · (714) 289-4511 · Fax (714) 289-4788
Phone(714) 532-8620
Fax(714) 289-4072
Sole ProprietorNo
Enumeration DateFebruary 28, 2007
Last NPPES UpdateApril 22, 2026
NPPES CertifiedApril 22, 2026
✔ NPI 1184752610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in CA · A81484
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.
455 S MAIN ST, Orange, CA 92868
Open in Google Maps ↗

Other Identifiers 1

OtherA81484CA · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christine E Bixby Md 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 Christine Bixby reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Of Orange County
0.9 mi
Pediatrics
1201 W LA VETA AVE
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Of Orange County
  • 190 clinicians in this Medicare group
NPI 1275975104 (714) 509-8649

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 20

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

PEDIATRIC SUBSPECIALTY FACULTY, INC.
Surgery (Pediatric Surgery)
455 S MAIN ST, GENERAL SURGERY
ORANGE, CA 92868
Orange County (714) 364-4050
PEI LIN CHANG M.D.
Pediatrics
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 558-2462
JENNIFER MICHELLE SHIVELY N.P.
Nurse Practitioner (Pediatrics, Critical Care)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 204-3277
ANTOINE SOLIMAN M.D.
Pediatrics (Neonatal-Perinatal Medicine)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 289-4511
DR. JEFFREY H HO D.O.
Pediatrics (Pediatric Gastroenterology)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 289-4099
DR. MARITA FORTADES MD
Pediatrics
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 532-8767
DR. SHARON KIM MD
Psychiatry & Neurology (Neurology)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 532-7601
MS. NANCY ANN VARNI CPNP
Nurse Practitioner (Pediatrics)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 532-8634

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 Christine Bixby's NPI number?

The NPI number for Christine Bixby is 1184752610. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is Christine Bixby located?

Christine Bixby practices at 455 S Main St, Orange, CA 92868. The listed phone number is (714) 532-8620.

What is Christine Bixby's specialty?

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

Is Christine Bixby enrolled in Medicare?

Yes. Christine Bixby is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christine Bixby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Bixby reassigns Medicare benefits to Children's Hospital Of Orange County (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 Christine Bixby'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 Christine Bixby was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.