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DR. PETA-MAREE ANN ALEXANDER MBBS
NPI 1215378435
Pediatrics - Pediatric Critical Care Medicine in Boston, MA

Active since July 16, 2013PECOS Enrolled
BOSTON CHILDREN'S HOSPITAL, 300 LONGWOOD AVENUE, CARDIOLOGY DEPARTMENT, BOSTON, MA 02115(617) 355-6363 Get Directions Write a Review

NPPES record last updated: February 12, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Peta-maree Ann Alexander Mbbs NPPES

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

DR. PETA-MAREE ANN ALEXANDER MBBS (NPI 1215378435) is an individual pediatric critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (256264) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215378435
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameDR. PETA-MAREE ANN ALEXANDERCredential: MBBS
Location AddressBOSTON CHILDREN'S HOSPITAL, 300 LONGWOOD AVENUE, CARDIOLOGY DEPARTMENTBoston, MA 02115
Mailing AddressBoston Children's Hospital, 300 Longwood Avenue, Cardiology DepartmentBoston, MA 02115 · (617) 355-6363
Phone(617) 355-6363
Sole ProprietorNo
Enumeration DateJuly 16, 2013
Last NPPES UpdateFebruary 12, 2014
✔ NPI 1215378435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in MA · 256264
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
BOSTON CHILDREN'S HOSPITAL, 300 LONGWOOD AVENUE, Boston, MA 02115
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peta-maree Ann Alexander Mbbs 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 Peta-maree Alexander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston Childrens Heart Foundation Inc
Same address
Pediatric Cardiology
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 220 clinicians in this Medicare group
NPI 1982680922 (617) 355-6793

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

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

COURTNEY LOPER RISLEY CPNP
Nurse Practitioner (Pediatrics)
BOSTON CHILDREN'S HOSPITAL, 300 LONGWOOD AVENUE, FARLEY BUILDING ROOM 403
BOSTON, MA 02115
Suffolk County (617) 355-7636

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 Peta-maree Alexander's NPI number?

The NPI number for Peta-maree Alexander is 1215378435. It was assigned to this individual provider in the NPPES registry on July 16, 2013.

Where is Peta-maree Alexander located?

Peta-maree Alexander practices at Boston Children's Hospital, 300 Longwood Avenue Cardiology Department, Boston, MA 02115. The listed phone number is (617) 355-6363.

What is Peta-maree Alexander's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Peta-maree Alexander enrolled in Medicare?

Yes. Peta-maree Alexander is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peta-maree Alexander's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peta-maree Alexander reassigns Medicare benefits to Boston Childrens Heart Foundation Inc (Boston, MA). 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 Peta-maree Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peta-maree Alexander accept?

Health plans from Anthem Blue Cross and Blue Shield list Peta-maree Alexander as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Peta-maree Alexander was last updated on February 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.