1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Pediatrics
  6. NPI Profile

MARICOR CRISTINA CASTILLO JAVIER MD
NPI 1851302889
Pediatrics - Neonatal-Perinatal Medicine in Boston, MA

Active since August 11, 2006PECOS Enrolled
BOSTON MEDICAL CENTER, ONE BOSTON MEDICAL PLACE -DOWLING 3 SOUTH, BOSTON, MA 02118(617) 414-3697 Get Directions Write a Review

NPPES record last updated: December 23, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Maricor Cristina Castillo Javier Md NPPES

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

MARICOR CRISTINA CASTILLO JAVIER MD (NPI 1851302889) is an individual neonatal-perinatal medicine provider in Boston, Massachusetts, licensed in Massachusetts (227301) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851302889
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameMARICOR CRISTINA CASTILLO JAVIERCredential: MD
Location AddressBOSTON MEDICAL CENTER, ONE BOSTON MEDICAL PLACE -DOWLING 3 SOUTHBoston, MA 02118
Mailing Address780 Boylston St, Spt. 5-iBoston, MA 02199-7820 · (646) 321-8858
Phone(617) 414-3697
Sole ProprietorNo
Enumeration DateAugust 11, 2006
Last NPPES UpdateDecember 23, 2021
NPPES CertifiedDecember 23, 2021
✔ NPI 1851302889 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 MA · 227301
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.
BOSTON MEDICAL CENTER, Boston, MA 02118
Open in Google Maps ↗

Other Names 1

Former Name (1)Maricor Cristina Angeles Castillo Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maricor Cristina Castillo Javier 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 Maricor Cristina Javier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
2,572 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279

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 11

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

SOKHIRA CHRISTINA YANG NP
Nurse Practitioner (Psychiatric/Mental Health)
BOSTON MEDICAL CENTER, 88 E NEWTON STREET
BOSTON, MA 02118
Suffolk County (617) 414-5155
KALEV FREEMAN M.D.
Emergency Medicine
BOSTON MEDICAL CENTER, ONE BOSTON MEDICAL CENTER PLACE
BOSTON, MA 02118
Suffolk County (617) 414-4075
PHILIP CEFALO M.D.
Internal Medicine
BOSTON MEDICAL CENTER, 1 BOSTON MEDICAL CENTER PLACE
BOSTON, MA 02118
Suffolk County (617) 638-8000
FILIPE PIAZZI TAVARES M.D.
Student in an Organized Health Care Education/Training Program
BOSTON MEDICAL CENTER, ONE BOSTON MEDICAL CENTER PLACE
BOSTON, MA 02118
Suffolk County (617) 638-8000
ROGER K MORGAN M.D.
Internal Medicine (Pulmonary Disease)
BOSTON MEDICAL CENTER, 715 ALBANY STREET
BOSTON, MA 02118
Suffolk County (617) 638-4860
DR. SANDRA MATTAR PSYD
Psychologist (Clinical)
BOSTON MEDICAL CENTER, 1 BOSTON MEDICAL CENTER PLACE
BOSTON, MA 02118
Suffolk County (617) 414-5245
WAEL I NASR M.D.
Surgery
BOSTON MEDICAL CENTER, ONE BOSTON MEDICAL CENTER PALCE
BOSTON, MA 02118
Suffolk County (617) 638-8442
THOMAS L ROTHSTEIN M.D.
Internal Medicine (Hematology & Oncology)
BOSTON MEDICAL CENTER, 650 ALBANY ST-EBR C 437
ROXBURY, MA 02118
Suffolk County (617) 638-7028

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 Maricor Cristina Javier's NPI number?

The NPI number for Maricor Cristina Javier is 1851302889. It was assigned to this individual provider in the NPPES registry on August 11, 2006. The provider is also known as Maricor Cristina Angeles Castillo MD.

Where is Maricor Cristina Javier located?

Maricor Cristina Javier practices at Boston Medical Center One Boston Medical Place -Dowling 3 South, Boston, MA 02118. The listed phone number is (617) 414-3697.

What is Maricor Cristina Javier's specialty?

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

Is Maricor Cristina Javier enrolled in Medicare?

Yes. Maricor Cristina Javier is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maricor Cristina Javier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maricor Cristina Javier reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, 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 Maricor Cristina Javier'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 Maricor Cristina Javier was last updated on December 23, 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.