Quick answers
- Which hospitals does Juan Grau work at?
- Medicare's official clinician data lists Juan Grau at 1 hospital: Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Juan Grau see patients?
- Medicare's clinician data lists 3 practice locations, including Hoboken, NJ, Ridgewood, NJ and Paramus, NJ. Call before your visit to confirm the address.
- What is Juan Grau's specialty?
- Medicare lists Cardiac Surgery as the primary specialty.
- Does Juan Grau accept Medicare assignment?
- Yes. Medicare's clinician data says Juan Grau 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 Juan Grau?
- (800) 825-5391, as listed in official Medicare / NPI Registry data.
- What is Juan Grau's NPI number?
- 1992797542. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Juan Grau works
Medicare's Facility Affiliation Data lists Juan Grau at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Valley HospitalParamus, NJ · Acute Care Hospital · CCN 310012
Practice locations
Addresses where Juan Grau is enrolled with Medicare (CMS data updated 2026-10-02).
- 108 Jackson St, Apt 6bHoboken, NJ 07030 (800) 825‑5391
- 223 N Van Dien AveRidgewood, NJ 07450 (201) 447‑8000
- 4 Valley Health PlzParamus, NJ 07652 (800) 825‑5391
Group practices
Medicare enrollment lists Juan Grau as a member of this group (CMS data updated 2026-10-02).
- Valley Physician Services PC592 clinicians in the group
Specialties
- Cardiac Surgeryprimary
Other cardiac surgeons in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992797542 |
| 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