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CASILDA JEAN RUBIO M.D.
NPI 1053490490
Pediatrics - Pediatric Emergency Medicine in Oakland, CA

Active since November 05, 2006PECOS Enrolled
747 52ND ST, EMERGENCY DEPARTMENT, CHILDREN'S HOSPITAL OAKLAND, OAKLAND, CA 94609(510) 428-3888 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Casilda Jean Rubio M.d. NPPES

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

CASILDA JEAN RUBIO M.D. (NPI 1053490490) is an individual pediatric emergency medicine provider in Oakland, California, licensed in California (A045122) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053490490
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameCASILDA JEAN RUBIOCredential: M.D.
Location Address747 52ND ST, EMERGENCY DEPARTMENT, CHILDREN'S HOSPITAL OAKLANDOakland, CA 94609-1809
Mailing Address747 52nd St, Emergency Department, Children's Hospital OaklandOakland, CA 94609-1809 · (510) 428-3888
Phone(510) 428-3888
Sole ProprietorNo
Enumeration DateNovember 5, 2006
Last NPPES UpdateDecember 13, 2021
✔ NPI 1053490490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in CA · A045122
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
747 52ND ST, Oakland, CA 94609
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Casilda Jean Rubio 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 Casilda Rubio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
8.6 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

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.

MRS. SHERYL LEE GARCIA RN
Registered Nurse (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
ERICA TRINGALE N.P,
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3373
MRS. NATALIE PLOTKIN MS, ACPNP
Pediatrics (Pediatric Hematology-Oncology)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3484
REBECCA ROMANOV MD
Pediatrics
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3331
SHELLEY ANNE BULL CPNP-PC
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
KARIDA ADETORO
Student in an Organized Health Care Education/Training Program
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
ANNIE ROQUE
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-4418
CHILDREN'S HOSPITAL & RESEARCH CENTER AT OAKLAND
General Acute Care Hospital
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885

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 Casilda Rubio's NPI number?

The NPI number for Casilda Rubio is 1053490490. It was assigned to this individual provider in the NPPES registry on November 5, 2006.

Where is Casilda Rubio located?

Casilda Rubio practices at 747 52nd St Emergency Department, Children's Hospital Oakland, Oakland, CA 94609. The listed phone number is (510) 428-3888.

What is Casilda Rubio's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Casilda Rubio enrolled in Medicare?

Yes. Casilda Rubio is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Casilda Rubio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Casilda Rubio reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Casilda Rubio'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 Casilda Rubio was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.