Quick answers
- Which hospitals does Jacob A. Gredzik work at?
- Medicare's official clinician data lists Jacob A. Gredzik at 1 hospital: Bergen New Bridge Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jacob A. Gredzik see patients?
- Medicare's clinician data lists 4 practice locations, including Paramus, NJ, Belleville, NJ and Paterson, NJ. Call before your visit to confirm the address.
- What is Jacob A. Gredzik's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Jacob A. Gredzik accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob A. Gredzik 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 Jacob A. Gredzik?
- (201) 967-4000, as listed in official Medicare / NPI Registry data.
- What is Jacob A. Gredzik's NPI number?
- 1508415126. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jacob A. Gredzik works
Medicare's Facility Affiliation Data lists Jacob A. Gredzik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bergen New Bridge Medical CenterParamus, NJ · Acute Care Hospital · CCN 310058
Practice locations
Addresses where Jacob A. Gredzik is enrolled with Medicare (CMS data updated 2026-10-02).
- 230 E Ridegewood AveParamus, NJ 07652 (201) 967‑4000
- 50 Newark Ave, Suite 107Belleville, NJ 07109 (973) 751‑3284
- 680 Broadway, Suite 114Paterson, NJ 07514 (973) 742‑4747
- 724 Jersey AveJersey City, NJ 07310 (201) 795‑0808
Group practices
Medicare enrollment lists Jacob A. Gredzik as a member of these groups (CMS data updated 2026-10-02).
- Bergen County Improvement Authority94 clinicians in the group
- Refocus Eye Health of NJ PC47 clinicians in the group
- Alden Leifer, MD. PC4 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Paramus
Clinicians with the same Medicare primary specialty in Paramus, NJ — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | State University Of New York - State College Optometry |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508415126 |
| 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