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MACIEJ SADOWSKI M.D.
NPI 1790216059
Emergency Medicine - Pediatric Emergency Medicine in Paterson, NJ

Active since March 27, 2017PECOS EnrolledAccepts Medicare Assignment
703 MAIN ST, PATERSON, NJ 07503(404) 961-6601 Get Directions Write a Review

NPPES record last updated: June 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 9, 2025, Mar 13, 2023, Mar 27, 2017 (3 updates tracked since 2017).

About Maciej Sadowski M.d. NPPES

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

MACIEJ SADOWSKI M.D. (NPI 1790216059) is an individual pediatric emergency medicine provider in Paterson, New Jersey, licensed in New Jersey (25MA11674900) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1790216059
Entity TypeIndividualMale
Primary Taxonomy207PP0204X
Provider Legal NameMACIEJ SADOWSKICredential: M.D.
Location Address703 MAIN STPaterson, NJ 07503-2621
Mailing Address99 Noble StBrooklyn, NY 11222-2533 · (347) 977-0914
Phone(404) 961-6601
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 27, 2017
Last NPPES UpdateJune 9, 20253 updates tracked since enumeration
NPPES CertifiedJune 9, 2025
✔ NPI 1790216059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency Medicine · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207PP0204X
License✔ Licensed in NJ · 25MA11674900
Definition
Pediatric Emergency Medicine is a clinical subspecialty that focuses on the care of the acutely ill or injured child in the setting of an emergency department.
Also ListedPediatricsTaxonomy 208000000X · License 25MA11674900 (NJ)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
703 MAIN ST, Paterson, NJ 07503
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maciej Sadowski M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496025801
PECOS Enrollment IDI20230731001706
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

6

Medicare enrollment records show Maciej Sadowski reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Passaic River Observation, LLC
Same address
Emergency Medicine
703 MAIN ST
Paterson, NJ 07503
  • Reassigned Medicare billing, New Jersey enrollment
  • 78 clinicians in this Medicare group
NPI 1568113348 (973) 754-2000
Passaic River Physicians, LLC
Same address
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
Rwjbh Observation Associates LLC
12 mi
Emergency Medicine
94 OLD SHORT HILLS RD
Livingston, NJ 07039
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,913 clinicians in this Medicare group
NPI 1760095806 (888) 724-7123
Rwjbh Emergency Medicine Associates, LLC
31 mi
Emergency Medicine
3 EXECUTIVE DR, STE 400
Somerset, NJ 08873
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,557 clinicians in this Medicare group
NPI 1912510041 (732) 867-9618
Hackensack Meridian Health Medical Group - Primary Care PC
39 mi
Family Medicine
331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 689 clinicians in this Medicare group
NPI 1336203538 (732) 807-0800
Hackensack Meridian Health Medical Group - Specialty Care PC
39 mi
Surgical Critical Care
331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 2,844 clinicians in this Medicare group
NPI 1215989249 (732) 807-0800

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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
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.

DR. SETAREH SHAMS MD
Obstetrics & Gynecology (Obstetrics)
703 MAIN ST
PATERSON, NJ 07503
Passaic County (973) 754-2700
ANTOINE MANSOURATI MD
Student in an Organized Health Care Education/Training Program
703 MAIN ST
PATERSON, NJ 07503
Passaic County (973) 754-2000
KARWAN AMEEN MD
Internal Medicine
703 MAIN ST
PATERSON, NJ 07503
Passaic County (718) 334-4000
SAIF HASAN DO
Student in an Organized Health Care Education/Training Program
703 MAIN ST
PATERSON, NJ 07503
Passaic County (973) 754-2000
SUSAN MUGALU ANP
Nurse Practitioner (Family)
703 MAIN ST
PATERSON, NJ 07503
Passaic County (973) 754-0000
JONATHAN EDWARD MOVSIK
Student in an Organized Health Care Education/Training Program
703 MAIN ST
PATERSON, NJ 07503
Passaic County (973) 754-2000
DIANE E MCCLURE CPNP
Nurse Practitioner (Neonatal, Critical Care)
703 MAIN ST
PATERSON, NJ 07503
Passaic County (973) 754-2555
STEPHEN MASSOOD M.D.
Orthopaedic Surgery
703 MAIN ST, ST. JOSEPH'S REGIONAL MEDICAL CENTER
PATERSON, NJ 07503
Passaic County (973) 754-2270

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 Maciej Sadowski's NPI number?

The NPI number for Maciej Sadowski is 1790216059. It was assigned to this individual provider in the NPPES registry on March 27, 2017.

Where is Maciej Sadowski located?

Maciej Sadowski practices at 703 Main St, Paterson, NJ 07503. The listed phone number is (404) 961-6601.

What is Maciej Sadowski's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.

Is Maciej Sadowski enrolled in Medicare?

Yes. Maciej Sadowski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Maciej Sadowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maciej Sadowski reassigns Medicare benefits to 6 organizations: Passaic River Observation, LLC (Paterson, NJ), Passaic River Physicians, LLC (Paterson, NJ), Rwjbh Observation Associates LLC (Livingston, NJ), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ), Hackensack Meridian Health Medical Group - Primary Care PC (Red Bank, NJ) and 1 more organization, listed in the Medicare section above. 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 Maciej Sadowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maciej Sadowski accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Maciej Sadowski 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 Maciej Sadowski was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.