DR. ZACHARY ALDEWERELD MD
NPI 1821352451
Pediatrics - Pediatric Critical Care Medicine in Pittsburgh, PA

Active since June 28, 2012PECOS Enrolled
77.5/100
CMS Quality Rating
4401 PENN AVE, ONE CHILDREN'S HOSPITAL DRIVE, PITTSBURGH, PA 15224(412) 692-7438 Get Directions Write a Review

NPPES record last updated: July 5, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 5, 2022, Jul 27, 2021, May 24, 2021 and 1 more (4 updates tracked since 2016).

About Dr. Zachary Aldewereld Md NPPES

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

DR. ZACHARY ALDEWERELD MD (NPI 1821352451) is an individual pediatric critical care medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD459107) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821352451
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameDR. ZACHARY ALDEWERELDCredential: MD
Location Address4401 PENN AVE, ONE CHILDREN'S HOSPITAL DRIVEPittsburgh, PA 15224-1334
Mailing Address4401 Penn AvePittsburgh, PA 15224-1334 · (412) 692-7438
Sole ProprietorNo
Enumeration DateJune 28, 2012
Last NPPES UpdateJuly 5, 20224 updates tracked since enumeration
NPPES CertifiedJuly 5, 2022
✔ NPI 1821352451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in PA · MD459107
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.
Also ListedPediatricsTaxonomy 208000000X · License MD459107 (PA)
Also ListedPediatrics · Pediatric Infectious DiseasesTaxonomy 2080P0208X · License MD459107 (PA)
4401 PENN AVE, Pittsburgh, PA 15224

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Zachary Aldewereld 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 Zachary Aldewereld reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
4401 PENN AVE
Pittsburgh, PA 15224
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.61
Promoting Interoperability100
Improvement Activities40
Cost56.4

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.

Nurse Practitioner (Neonatal, Critical Care)
4401 PENN AVE
PITTSBURGH, PA 15224
Pediatrics
4401 PENN AVE, AOB SUITE 5400
PITTSBURGH, PA 15224
Nurse Practitioner (Neonatal)
4401 PENN AVE
PITTSBURGH, PA 15224
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
4401 PENN AVE
PITTSBURGH, PA 15224
Allergy & Immunology
4401 PENN AVE
PITTSBURGH, PA 15224
Student in an Organized Health Care Education/Training Program
4401 PENN AVE, AOB BUILDING, SUITE 5400
PITTSBURGH, PA 15224
Pediatrics (Neonatal-Perinatal Medicine)
4401 PENN AVE, AOB SUITE 5400
PITTSBURGH, PA 15224
Student in an Organized Health Care Education/Training Program
4401 PENN AVE
PITTSBURGH, PA 15224

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 Zachary Aldewereld's NPI number?

The NPI number for Zachary Aldewereld is 1821352451. It was assigned to this individual provider in the NPPES registry on June 28, 2012.

Where is Zachary Aldewereld located?

Zachary Aldewereld practices at 4401 Penn Ave One Children's Hospital Drive, Pittsburgh, PA 15224. The listed phone number is (412) 692-7438.

What is Zachary Aldewereld's specialty?

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

Is Zachary Aldewereld enrolled in Medicare?

Yes. Zachary Aldewereld is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Zachary Aldewereld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Aldewereld reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, PA). 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 Zachary Aldewereld'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 Zachary Aldewereld was last updated on July 5, 2022. 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.