Quick answers
- Which hospitals does Gregory McDonough work at?
- Medicare's official clinician data lists Gregory McDonough at 4 hospitals: JFK University Medical Center, Montefiore St Luke's Cornwall, Raritan Bay Medical Center and St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory McDonough see patients?
- Medicare's clinician data lists 4 practice locations, including Old Bridge, NJ, Langhorne, PA and Perth Amboy, NJ. Call before your visit to confirm the address.
- What is Gregory McDonough's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gregory McDonough accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory McDonough 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 Gregory McDonough?
- (732) 630-1000, as listed in official Medicare / NPI Registry data.
- What is Gregory McDonough's NPI number?
- 1275020349. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory McDonough works
Medicare's Facility Affiliation Data lists Gregory McDonough at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- JFK University Medical CenterEdison, NJ · Acute Care Hospital · CCN 310108
- Montefiore St Luke's CornwallNewburgh, NY · Acute Care Hospital · CCN 330264
- Raritan Bay Medical CenterPerth Amboy, NJ · Acute Care Hospital · CCN 310039
- St Mary Medical CenterLanghorne, PA · Acute Care Hospital · CCN 390258
Practice locations
Addresses where Gregory McDonough is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hospital PlzOld Bridge, NJ 08857 (732) 630‑1000
- 1201 Langhorne Newtown RdLanghorne, PA 19047 (215) 750‑2000
- 530 New Brunswick Ave, Raritan Bay Medical CenterPerth Amboy, NJ 08861 (732) 442‑3700
- 70 Dubois St, Fl 2Newburgh, NY 12550 (845) 561‑4400
Group practices
Medicare enrollment lists Gregory McDonough as a member of these groups (CMS data updated 2026-10-02).
- Critical Care Physicians of Pennsylvania PC51 clinicians in the group
- Critical Care Physician of New York PC45 clinicians in the group
- Critical Care Physicians of New Jersey PC15 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Old Bridge
Clinicians with the same Medicare primary specialty in Old Bridge, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Geisel School Of Medicine At Dartmouth |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275020349 |
| 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