DR. MARYANN MAXIMOS DO
NPI 1942405659
Pediatrics - Pediatric Gastroenterology in Paterson, NJ

Active since June 21, 2007PECOS Enrolled
703 MAIN ST, PATERSON, NJ 07503(973) 754-2000 Get Directions Write a Review

NPPES record last updated: May 24, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Maryann Maximos Do NPPES

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

DR. MARYANN MAXIMOS DO (NPI 1942405659) is an individual pediatric gastroenterology provider in Paterson, New Jersey, licensed in New Jersey (25MB08910600) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942405659
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameDR. MARYANN MAXIMOSCredential: DO
Location Address703 MAIN STPaterson, NJ 07503
Mailing Address703 Main StPaterson, NJ 07503-2621 · (973) 754-2504 · Fax (973) 754-3013
Sole ProprietorNo
Enumeration DateJune 21, 2007
Last NPPES UpdateMay 24, 2018
✔ NPI 1942405659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in NJ · 25MB08910600
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
703 MAIN ST, Paterson, NJ 07503

Other Identifiers 1

Medicaid015192500FL

Accepted 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. Maryann Maximos Do 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

2

Medicare enrollment records show Maryann Maximos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

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
Internal Medicine
703 MAIN ST
Paterson, NJ 07503
  • Reassigned Medicare billing, New Jersey enrollment
  • 317 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 07503 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
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.

Obstetrics & Gynecology (Obstetrics)
703 MAIN ST
PATERSON, NJ 07503
Student in an Organized Health Care Education/Training Program
703 MAIN ST
PATERSON, NJ 07503
Internal Medicine
703 MAIN ST
PATERSON, NJ 07503
Student in an Organized Health Care Education/Training Program
703 MAIN ST
PATERSON, NJ 07503
Nurse Practitioner (Family)
703 MAIN ST
PATERSON, NJ 07503
Student in an Organized Health Care Education/Training Program
703 MAIN ST
PATERSON, NJ 07503
Nurse Practitioner (Neonatal, Critical Care)
703 MAIN ST
PATERSON, NJ 07503
Orthopaedic Surgery
703 MAIN ST, ST. JOSEPH'S REGIONAL MEDICAL CENTER
PATERSON, NJ 07503

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 Maryann Maximos's NPI number?

The NPI number for Maryann Maximos is 1942405659. It was assigned to this individual provider in the NPPES registry on June 21, 2007.

Where is Maryann Maximos located?

Maryann Maximos practices at 703 Main St, Paterson, NJ 07503. The listed phone number is (973) 754-2000.

What is Maryann Maximos's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Maryann Maximos enrolled in Medicare?

Yes. Maryann Maximos is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maryann Maximos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Maximos reassigns Medicare benefits to 2 organizations: St. Joseph's Healthcare, Inc. (Paterson, NJ) and St Josephs Medical Group PC (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 Maryann Maximos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maryann Maximos accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Maryann Maximos 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 Maryann Maximos was last updated on May 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.