DR. ALEXANDRA DAWN MCCOLLUM M.D.
NPI 1265687230
Pediatrics in Brooklyn, NY

Active since November 18, 2008PECOS Enrolled
506 6TH STREET, RM 506 DEPT. OF PEDIATRICS, NYM, BROOKLYN, NY 11215(718) 780-5260 Get Directions Write a Review

NPPES record last updated: October 7, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alexandra Dawn Mccollum M.d. NPPES

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

DR. ALEXANDRA DAWN MCCOLLUM M.D. (NPI 1265687230) is an individual pediatrics provider in Brooklyn, New York, licensed in New York (2530631) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265687230
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ALEXANDRA DAWN MCCOLLUMCredential: M.D.
Location Address506 6TH STREET, RM 506 DEPT. OF PEDIATRICS, NYMBrooklyn, NY 11215
Mailing Address145 Henry St, St 1gBrooklyn, NY 11201-2526 · (718) 858-4924
Sole ProprietorNo
Enumeration DateNovember 18, 2008
Last NPPES UpdateOctober 7, 2014
✔ NPI 1265687230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 2530631
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
506 6TH STREET, Brooklyn, NY 11215

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexandra Dawn Mccollum 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 Alexandra Mccollum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
4650 SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
  • 1,281 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Radiology (Diagnostic Radiology)
506 6TH STREET, NEW YORK METHODIST HOSPITAL.
BROOKLYN, NY 11215
Nurse Anesthetist, Certified Registered
506 6TH STREET, NY METHODIST HOSPITAL
BROOKLYN, NY 11215
Pharmacist
506 6TH STREET, PHARMACY DEPARTMENT
BROOKLYN, NY 11215
Nurse Anesthetist, Certified Registered
506 6TH STREET, NY METHODIST HOSPITAL
BROOKLYN, NY 11215
Internal Medicine (Interventional Cardiology)
506 6TH STREET, KP-2 DIVISION OF CARDIOLOGY
BROOKLYN, NY 11215
Radiology (Diagnostic Radiology)
506 6TH STREET
BROOKLYN, NY 11215
Emergency Medicine
506 6TH STREET, NEWYORK PRESBYTERIAN BROOKLYN METHODIST HOSPITAL
BROOKLYN, NY 11215
Nurse Anesthetist, Certified Registered
506 6TH STREET, NEW YORK-PRESBYTERIAN BROOKLYN METHODIST HOSPITAL
BROOKLYN, NY 11215

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 Alexandra Mccollum's NPI number?

The NPI number for Alexandra Mccollum is 1265687230. It was assigned to this individual provider in the NPPES registry on November 18, 2008.

Where is Alexandra Mccollum located?

Alexandra Mccollum practices at 506 6th Street Rm 506 Dept. Of Pediatrics, Nym, Brooklyn, NY 11215. The listed phone number is (718) 780-5260.

What is Alexandra Mccollum's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Alexandra Mccollum enrolled in Medicare?

Yes. Alexandra Mccollum is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexandra Mccollum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Mccollum reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Alexandra Mccollum'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 Alexandra Mccollum was last updated on October 7, 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.