Quick answers
- Which hospitals does Gregory P. Charko work at?
- Medicare's official clinician data lists Gregory P. Charko at 1 hospital: Robert Wood Johnson University Hospital at Rahway. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory P. Charko see patients?
- Medicare's clinician data lists 2 practice locations, including Fair Lawn, NJ and Cranford, NJ. Call before your visit to confirm the address.
- What is Gregory P. Charko's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Gregory P. Charko accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory P. Charko 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 P. Charko?
- (201) 796-7772, as listed in official Medicare / NPI Registry data.
- What is Gregory P. Charko's NPI number?
- 1336189356. 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 P. Charko works
Medicare's Facility Affiliation Data lists Gregory P. Charko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Robert Wood Johnson University Hospital at RahwayRahway, NJ · Acute Care Hospital · CCN 310024
Practice locations
Addresses where Gregory P. Charko is enrolled with Medicare (CMS data updated 2026-10-02).
- 19 -21 Fair Lawn Ave, Suite 1cFair Lawn, NJ 07410 (201) 796‑7772
- 25 Commerce Dr, Suite 100Cranford, NJ 07016 (908) 474‑9444
Group practices
Medicare enrollment lists Gregory P. Charko as a member of this group (CMS data updated 2026-10-02).
- NJ Institute for Pain Relief12 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Fair Lawn
Clinicians with the same Medicare primary specialty in Fair Lawn, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rowan University School Of Osteopathic Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336189356 |
| 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