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MARIA THERESA ALVAREZ-BALLWAY M.D.
NPI 1750508149
Pediatrics - Pediatric Emergency Medicine in Newark, NJ

Active since April 19, 2007PECOS Enrolled
150 BERGEN ST, PEDIATRIC E.R, NEWARK, NJ 07103(973) 972-5139(973) 972-5965 Get Directions Write a Review

NPPES record last updated: April 30, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Maria Theresa Alvarez-ballway M.d. NPPES

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

MARIA THERESA ALVAREZ-BALLWAY M.D. (NPI 1750508149) is an individual pediatric emergency medicine provider in Newark, New Jersey, licensed in New Jersey (25MA05778100) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750508149
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameMARIA THERESA ALVAREZ-BALLWAYCredential: M.D.
Location Address150 BERGEN ST, PEDIATRIC E.RNewark, NJ 07103-2496
Mailing Address30 Bergen St, Admc 12 1205Newark, NJ 07107-3000
Phone(973) 972-5139
Fax(973) 972-5965
Sole ProprietorNo
Enumeration DateApril 19, 2007
Last NPPES UpdateApril 30, 2019
✔ NPI 1750508149 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 NJ · 25MA05778100
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
150 BERGEN ST, Newark, NJ 07103
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Other Identifiers 1

Medicaid6604609NJ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Theresa Alvarez-ballway 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 Reassignments

3

Medicare enrollment records show Maria Alvarez-ballway reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Passaic River Physicians, LLC
11 mi
Emergency Medicine
703 MAIN ST
Paterson, NJ 07503
  • Reassigned Medicare billing, New Jersey enrollment
  • 138 clinicians in this Medicare group
NPI 1962162644 (973) 754-2000
St. Joseph's Healthcare, Inc.
11 mi
Internal Medicine
703 MAIN ST, ST. JOSEPH'S REGIONAL MEDICAL CENTER
Paterson, NJ 07503
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: St Josephs Healthcare Inc
  • 372 clinicians in this Medicare group
NPI 1497791297 (973) 754-2000
St. Joseph's Emergency Physicians Inc
11 mi
Emergency Medical Services
703 MAIN ST, EMERGENCY DEPARTMENT
Paterson, NJ 07503
  • Reassigned Medicare billing, New Jersey enrollment
  • 88 clinicians in this Medicare group
NPI 1568791192 (973) 754-2000

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.

MR. ARIEL LIPPA, LPC, LCADC, NCC.
Counselor (Professional)
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
GABRIEL HANNA
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (201) 397-5249
ADRIANA NOEMI GONZALEZ MD
Emergency Medicine
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
DR. SAFIA ANSARI DO
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
MERRY ZHAI MD
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
HEATHER WANG
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
KOPAL BANSAL MD
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
ADRIENNE-VYOLET BALK MD
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300

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 Maria Alvarez-ballway's NPI number?

The NPI number for Maria Alvarez-ballway is 1750508149. It was assigned to this individual provider in the NPPES registry on April 19, 2007.

Where is Maria Alvarez-ballway located?

Maria Alvarez-ballway practices at 150 Bergen St Pediatric E.R, Newark, NJ 07103. The listed phone number is (973) 972-5139.

What is Maria Alvarez-ballway's specialty?

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

Is Maria Alvarez-ballway enrolled in Medicare?

Yes. Maria Alvarez-ballway is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Alvarez-ballway's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Alvarez-ballway reassigns Medicare benefits to 3 organizations: Passaic River Physicians, LLC (Paterson, NJ), St. Joseph's Healthcare, Inc. (Paterson, NJ) and St. Joseph's Emergency Physicians Inc (Paterson, NJ). Each 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 Maria Alvarez-ballway'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 Maria Alvarez-ballway was last updated on April 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.