Quick answers
- Which hospitals does Matthew Mackowsky work at?
- Medicare's official clinician data lists Matthew Mackowsky at 1 hospital: St Joseph's University Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Mackowsky see patients?
- Medicare's clinician data lists 4 practice locations, including Wayne, NJ, Williamsport, PA and Paterson, NJ. Call before your visit to confirm the address.
- What is Matthew Mackowsky's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Matthew Mackowsky accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Mackowsky accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Matthew Mackowsky?
- (973) 389-6090, as listed in official Medicare / NPI Registry data.
- What is Matthew Mackowsky's NPI number?
- 1104276542. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Mackowsky works
Medicare's Facility Affiliation Data lists Matthew Mackowsky at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · CCN 310019
Practice locations
Addresses where Matthew Mackowsky is enrolled with Medicare (CMS data updated 2026-10-02).
- 220 Hamburg Tpke, Suite 16Wayne, NJ 07470 (973) 389‑6090
- 700 High StWilliamsport, PA 17701 (570) 321‑1980
- 703 Main StPaterson, NJ 07503 (973) 754‑6331
- 740 High St, Suite 1003Williamsport, PA 17701 (570) 321‑3160
Group practices
Medicare enrollment lists Matthew Mackowsky as a member of these groups (CMS data updated 2026-10-02).
- Susquehanna Physician Services612 clinicians in the group
- St Josephs Medical Group PC216 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Wayne
Clinicians with the same Medicare primary specialty in Wayne, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Drexel University College Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104276542 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians